Model: 938.77.81.015

Flat Washer

Properties:

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.255 inches and 0.275 inches

Edge Shape

Round

Center Hole Shape

1 round

Thickness

0.063 inches

Overall Diameter

Between 0.495 inches and 0.520 inches

Material

Aluminum alloy 2024

Material Specification

Qq-a-250/5, temper t3 federal specification single material response or qq-a-250/5, temper t4 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Nondefinitive Specification/std Data

A type and 1 grade and d class

NSN

5310-01-145-3153

Part Number

938.77.81.015

Description

Washer,flat

CAGE

S4080

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

Part 938.77.81.015 NSN 5310-01-145-3153

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13393

FIIG:

A022B0

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:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-01-145-3153 is a component of

B-1 Aircraft Support Equipment
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
B-1b Aircraft Trainer
Mh-53e Helicopter
Ah-1w Advance Attack Helicopter
Surface Minesweeping Systems
Airlifter C-17a Aircraft
Sof / Hh-53j/m Pave Low Helicopter
Sh-60f Carrier Based Asw Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
013626325
Individual Survival Kit
013626324
Individual Survival Kit
013626323
Individual Survival Kit

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Schedule B and Export

Schedule B: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum