Model: 2251-3

O-ring

Properties:

Outside Diameter

Between 0.418 inches and 0.440 inches

Cross-sectional Height

Between 0.061 inches and 0.067 inches

Center Hole Diameter

Between 0.296 inches and 0.306 inches

Hardness Rating

90.0 shore durometer a

Material

Rubber butadiene-acrylonitrile class nbr

NSN

5331-00-835-7485

Part Number

2251-3

Description

O-ring

CAGE

91265

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

Part 2251-3 NSN 5331-00-835-7485

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

47946

FIIG:

A510X0

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Trailers/Vehicles

End Items End applications NSN 5331-00-835-7485 is a component of

Main Feed Pumps
B-1 Aircraft Support Equipment
1200 Psi Boilers
L.p. Compressors
Mk-42 & 45 5-in./54 Cal Gun
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Mk 92 (fcs) Fire Control System
Phoenix (aim-54) Air-to-air Missile
Ah 64 Airframe (rotary Wing Aircraft)
006293900
Linear Actuating Cylinder Assembly
006752631
Linear Actuating Cylinder Assembly
005918508
Landing Gear Drag Link
013787497
Fork Lift Truck
011069519
Attack Helicopter
011430384
Landing Gear Bogie Beam Assembly
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
002517098
Air Turbine Engine Starter
001921919
Electrical Equipment Rack
012801671
Heat Detector
001180853
Hydraulic Servovalve
001180857
Hydraulic Servovalve
001180865
Hydraulic Servovalve
001180866
Hydraulic Servovalve
011069519
Attack Helicopter
000922977
Reaction Cylinder Assembly
011708325
Landing Gear Cylinder And Piston Assembly
010204216
Observation Helicopter
011354639
Retractable Landing Gear
011392397
Retractable Landing Gear
011396672
Aircraft Nosewheel Steering Unit
011431154
Landing Gear Cylinder And Piston Assembly
011433294
Landing Gear Drag Brace
010883669
Cargo-transport Helicopter
011441399
Landing Gear Drag Brace
011069519
Attack Helicopter
011069519
Attack Helicopter
010046550
Aerial Stores Lift Truck
010114677
Linear Actuating Cylinder Assembly
008087100
Armored Dozer-scraper Combination Full Tracked Tractor
001697137
Observation Helicopter
008961203
Landing Gear Cylinder And Piston Assembly
007314648
Speed Dec Gear Assy
007659187
Linear Actuating Cylinder Assembly
011519927
Remote Ground Termi
006059700
Linear Electro-mechanical Actuator

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Schedule B and Export

Schedule B: 4016930000
SITC: 62999
End Use: Industrial rubber products
NAICS: 339991
USDA: 1

Freight Class: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber