44771-1

Flat Washer

NSN 5310-00-438-6547

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

004386547

Product Technical Spec.

Cross Sectional Shape:

Rectangular

Edge Shape:

Round

Center Hole Shape:

1 round

Center Hole Shape:

Round

Thickness:

0.062 inches

Overall Diameter:

Between 0.505 inches and 0.525 inches

Material:

Steel comp 1020

Material Specification:

66 sae uns g10200 federal standard single material response

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416, type 2, class 3 federal specification all treatment responses

Supplementary Features:

U/o nsn 1710-01-121-3152 model 44b-2d arresting gear; to. Fig. 8 index 8-26

NSN:

5310-00-438-6547

Item Name:

Washer,backup

Cage Code:

21439

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

44771

Cage Code:

21439

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13393

FIIG:

A022B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Backup Washer"

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.