Model: 5310007289957

Flat Washer

Properties:

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.396 inches and 0.416 inches

Edge Shape

Round

Center Hole Shape

1 round

Center Hole Shape

Round

Thickness

Between 0.011 inches and 0.025 inches

Overall Diameter

Between 0.865 inches and 0.885 inches

End Application

Mrap - cougar

Features Provided

Casehardened

Hardness Rating

Between 33.0 rockwell c and 38.0 rockwell c

Material

Steel comp 4130 or steel comp 4140 or steel comp 8640 or steel comp 8740

Material Specification

Qq-s-624 federal specification 1st material response or qq-s-626 federal specification 1st material response or qq-s-627 federal specification 1st material response and qq-s-624 federal specification 2nd material response or qq-s-626 federal specification 2nd material response or qq-s-627 federal specification 2nd material response and qq-s-624 federal specification 3rd material response or qq-s-626 federal specification 3rd material response or qq-s-627 federal specification 3rd material response and qq-s-624 federal specification 4th material response or qq-s-626 federal specification 4th material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 1 federal specification single treatment response

NSN

5310-00-728-9957

Part Number

5310007289957

Description

Washer,flat

CAGE

SCY13

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 5310007289957 NSN 5310-00-728-9957

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-728-9957 is a component of

2350-01-328-5964 (eaa Cmbt85pk3) M1a2 Abrams Tank
M1a2 System Enhancement Prog 2350-01-328-5964 (eaa Cmbt85sep)
Field Artillery Ammunition Support Vehicle (faagv) (m992)
Armored Vehicle Launch Bridge (m60a1 & M48a5)
Infantry Carrier
120mm Gun (m1a1) Ft Combat Tank
Command (aavc-7a1) Assault Amphibious Vehicle
Family Of Medium And Light Tactical Vehicles (fmtv)
M88a2 Hercules Recovery Vehicle
Recovery Vehicle Fu
013523021
Tracked Ammunition Carrier
011104660
Tracked Ammunition Carrier
011104660
Tracked Ammunition Carrier
011368745
Cargo Carrier
013689500
Tracked Ammunition Carrier
013689500
Tracked Ammunition Carrier
014186654
Full Tracked Personnel Carrier
013523021
Tracked Ammunition Carrier
010969356
Cargo Carrier
007951797
Full Tracked Combat Engineer Vehicle
013696081
Cargo Carrier
001226826
Full Tracked Recovery Vehicle

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Schedule B and Export

Schedule B: 7318220000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Washers other than lock washers, iron or steel