PH253

Flat Washer

NSN 5310-00-198-9348

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

001989348

Technical Specifications of NSN

Cross Sectional Shape:

Rectangular

Hole Diameter:

Between 0.182 inches and 0.193 inches

Edge Shape:

Round

Center Hole Shape:

1 round

Center Hole Shape:

Round

Thickness:

Between 0.036 inches and 0.065 inches

Overall Diameter:

0.375 inches

Material:

Steel

Surface Treatment:

Cadmium or zinc

Nondefinitive Specification/std Data:

A type and 1 grade and a class

NSN:

5310-00-198-9348

Item Name:

Washer,backup

Cage Code:

66289

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

FFW92

Cage Code:

81348

RNCC:

RNVC:

RNAAC:

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MSDS:

SADC:

Part Number:

446143

Cage Code:

7X677

RNCC:

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SADC:

Part Number:

MS15795-207

Cage Code:

27315

RNCC:

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SADC:

Part Number:

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Cage Code:

72582

RNCC:

RNVC:

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SADC:

Part Number:

104-1S8L

Cage Code:

80063

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SADC:

Part Number:

1068D100ITEMGG

Cage Code:

86848

RNCC:

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RNAAC:

Status:

MSDS:

SADC:

Part Number:

504C2-34-52

Cage Code:

94033

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS15795-207

Cage Code:

80205

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

12Z3035-35

Cage Code:

94135

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

PC446143

Cage Code:

C7432

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS15795-207

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

446143

Cage Code:

24617

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.