NSN 5305-00-285-5272

Assembled Washer Screw

FSC: 5305 NIIN: 002855272

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Product Characteristics

NSN:

5305002855272

Demilitarization:

INC:

06660

Shelf Life:

N/A

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.324 inches and 0.472 inches

Fastener Length:

0.500 inches

Head Style:

Pan no. 2

Head Diameter:

Between 0.594 inches and 0.615 inches

Head Height:

Between 0.162 inches and 0.178 inches

Washer Quantity:

Internal Drive Style:

Slot

Thread Diameter:

0.312 inches

Thready Qty Per Inch (tpi):

Hardness Rating:

40.0 rockwell c primary washer and 50.0 rockwell c primary washer

Primary Washer Outside Diameter:

Between 0.588 inches and 0.610 inches

Primary Washer Style:

Flat external teeth

Primary Washer Material Thickness:

Between 0.028 inches and 0.034 inches

Material:

Steel comp 1050 primary washer or steel comp 1551 primary washer or steel comp 1552 primary washer or steel comp 1053 primary washer or steel comp 1054 primary washer or steel comp 1055 primary washer or steel comp 1059 primary washer or steel comp 1060 primary washer or steel comp 1561 primary washer or steel comp 1566 primary washer

Material Specification:

Sae assn standard all material responses primary washer

Surface Treatment:

Cadmium or zinc

Surface Treatment Specification:

Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response

Thread Series Designator:

Unc

Part Numbers

442689
ARMY WEAPONS COMMAND
H-4323 ITEM NO. 022
IMO INDUSTRIES INC.
SEMS 5/16"-18 X 1/2"LG
ITW SHAKEPROOF AUTOMOTIVE PRODUCTS

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

7318152000 - Bolts and bolts and their nuts or washers exported in the same shipment.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

Similar NSN

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Cage Codes

ARMY WEAPONS COMMAND - 21450

IMO INDUSTRIES INC. - 59180

ITW SHAKEPROOF AUTOMOTIVE PRODUCTS - 78189