Model: 22K2-428

Cap Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Cap

Nut Height

Between 0.347 inches and 0.387 inches

Width Across Flats

Between 0.490 inches and 0.502 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Bearing Surface Type

Washer faced

Material

Fiber locking insert

Material

Steel except insert

Surface Treatment

Cadmium nut

NSN

5310-00-488-8566

Part Number

22K2-428

Description

Nut,self-locking,cap

CAGE

27687

A nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes nut (1), stamped.

Part 22K2-428 NSN 5310-00-488-8566

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05275

FIIG:

A021A0

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:

0.6000lbs

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-488-8566 is a component of

Iroquois Uh-1 Helicopter
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
C-2a (reprocured) Aircraft
Ah-1w Advance Attack Helicopter
Sh-60f Carrier Based Asw Helicopter
Hh-60h Search And Rescue Helicopter
Oh-58d Helicopter Observation (ahip)
H-60 Seahawk Helicopter
Aircraft Black Hawk (mh-60k Special Operations Aircraft)
007520603
Radar Set
001697137
Observation Helicopter
005628900
Video Amplifier
000599192
Aircraft Seat
011684259
Attack Helicopter
011922478
Attack Helicopter
007520603
Radar Set
014663717
Aircraft Controller Grip Assembly
005049112
Attack Helicopter
005190103
Power Supply
010204216
Observation Helicopter
009398561
Aircraft Control Stick
007011937
Aircraft Seat
005161759
Aircraft Seat
007011935
Aircraft Seat
007011938
Aircraft Seat
005407942
Aircraft Seat
005409666
Aircraft Seat
011684260
Attack Helicopter

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel