Model: 277-502-1025

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

Between 0.221 inches and 0.227 inches

Casehardening Indicator

Not casehardened

Major Thickness

Between 0.023 inches and 0.027 inches

Ring Style

External

Usage Design

External

Material Hardness Rating

Between 63.0 rockwell superficial 30-n and 69.5 rockwell superficial 30-n

Material

Steel, ams 5520

Material

Steel comp 632

Material Specification

Ams 5520 assn standard single material response

Surface Treatment

Passivate

Surface Treatment

Passivated, qq-p-35

NSN

5325-00-298-6564

Part Number

277-502-1025

Description

Ring,retaining

CAGE

95542

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

Part 277-502-1025 NSN 5325-00-298-6564

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07623

FIIG:

T252-G

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5325-00-298-6564 is a component of

An/slq-32 Countermeasure Set
An/tvs-5 Night Vision Set
B-1 Aircraft Support Equipment
An/spn-35b
Satellite An/gsc-39(v)1 Communications Terminal
L.p. Compressors
An/tpn-18 Radar Set
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
B-1b Aircraft Trainer
012146237
Communicat Terminal
007520603
Radar Set
009194800
Radio Teletyp Modem
009857899
Power Supply
000154620
Counterme Dispenser
001798429
Infrared Detecting Set
010758478
Signal Generator
001798429
Infrared Detecting Set
001798429
Infrared Detecting Set
001798429
Infrared Detecting Set
002354506
Photographic Interpretation Stereoscopic Roll Film Viewer
010440137
Message Entry Devic
010769947
Antenna Group
001660223
Antenna
011684259
Attack Helicopter
001660221
Antenna
011069519
Attack Helicopter
002568328
Antenna Pedestal
011069519
Attack Helicopter
011069519
Attack Helicopter
011199577
Card Punch
011343338
Magnetic Tape Recor
010513067
Radar Set
003079376
Radio Receiving Set
007980794
Lens Cone Photograp
000113632
Coder-decoder Case
005190103
Power Supply
000138911
Radio Receiver
005223739
Purge And Pill Unit
005223740
Gyro Sta Test Stand
000823598
Radio Set
004020748
Motion Picture Camera
011219558
Communications Term
001660222
Antenna Pedestal
001062677
Antenna
008688352
Signal Generator
011069519
Attack Helicopter
011069519
Attack Helicopter
004043281
Gyro Stabi Test Set
008907610
Still Picture Camera
004050404
Searchlight Set Inf
008907610
Still Picture Camera
008907610
Still Picture Camera
008907610
Still Picture Camera
008907610
Still Picture Camera
004054510
Radio Beacon Set
009336193
Radio Set
014490945
Antenna Subassembly
013381348
Disk Drive Subassembly
008907610
Still Picture Camera
009350033
Radio Receiver-transmitter
004327312
Modulation Meter
011684260
Attack Helicopter
010177040
Fire Direction Cent
010177366
Night Vision Sight
001792528
Test Facility Kit
000628579
Azimuth Surveying Instrument
012892958
Linear Electro-mechanical Actuator
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
004193126
Digital Display Indicator
005430012
Telephone Set
007520603
Radar Set
011919516
Switch Assembly
010897518
Satellite Communica
004231693
Interrogator Set
011326734
Turbine Engine Main Fuel Control
001681477
Communications Central
011440826
Electrical Tachometer Indicator
009374029
Signal Generator
010803072
Microwave Stimulus
004244370
Electrical Pulse Analyzer
011165741
Turbine Engine Main Fuel Control
011170263
Navigation Inertial Reference Unit
000871609
Searchlight
010920892
Nonexpandable Shelter
010641769
Magnetic Tape Transport
000873151
Still Picture Camera
000873736
Aerial Camera Lens Cone
000873737
Aerial Camera Lens Cone
010768707
Photographic Film Processing Machine
004327312
Modulation Meter
013179117
Linkage Assembly
000873740
Aerial Camera Lens Cone
010924134
Radar Set
001771641
Radio Set
001773529
Inf Searchlight Set
012546307
Transmitter Group
010376492
Motion Picture Camera
001792528
Test Facility Kit
012554218
Receiver Group
008923851
Radio Set
009420856
Radio Transmitter
010143508
Magnetic Tape Transport
011922478
Attack Helicopter
005049112
Attack Helicopter
008715475
Linkage Assembly
010654467
Meteorological Data
005628900
Video Amplifier
001798441
In Navigational Set
008844339
Valve Housing Assem
001798503
Radar Set
007601718
Position Transmitter
007885614
Radar Modulator
009594326
Remot Tone Receiver
001860640
Dial Telephone Central Office
009033501
Signal Generator
006839703
Engine Pressure Ratio Indicator
005756749
Frequency Standard
001950223
Sound Ranging Set
005998252
Rawin Set
009082003
Control Transmitter
005050945
Radio Receiver-transmitter
006295334
Night Vision Sight
005168593
Control Synchro Ass
006428144
Radio Receiver
009082840
Ra Transmitting Set
003332835
Radio Receiver-transmitter
003397677
Aircraft Scoop
006473737
Modulation Meter
010343946
Radar Set
009083132
Interconnecting Box
012056213
Antenna
004029428
Data Entry Trackball
006819897
Radio Set
004445271
Radio Receiver-transmitter
009857574
Distribution Box
004327312
Modulation Meter
009083133
Interconnecting Box
010709415
Radar Set
001796528
Pu Housing Assembly
009124251
Transportable Shelter Lift Dolly Set
010513067
Radar Set
014445370
Signal Scanner
000764500
Mechanical Constant Speed Drive
006473737
Modulation Meter
001413606
Antenna Control
014445393
Antenna Synchro

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Schedule B and Export

Schedule B: 9606100000
SITC: 89983
End Use: Finished textile supplies
NAICS: 339993
USDA: 1

Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor