Washer, Shouldered5310-01-408-9644

NSN 5310-01-408-9644 · NIIN 014089644

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-408-9644 · 5310014089644 · NIIN 014089644 · 01-408-9644 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-408-9637 Nut, Plain, Hexagon · 5310-01-408-9645 Washer, Flat →

5310-01-408-9644 — Nuts and Washers

Features

Washer,shouldered — FSC 5310
Surface Treatment Document and Classification: QQ-P-416,TY2, CL1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Shoulder Height: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
Style Designator: SHOULDERED
Material Document and Classification: ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 2.500 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN
Shoulder Diameter: 2.330 INCHES MINIMUM AND 2.350 INCHES MAXIMUM IN

Identification

NSN: 5310-01-408-9644
NIIN: 014089644
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-408-9644, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-408-9644
Item Name	Washer,shouldered
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	QQ-P-416,TY2, CL1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Shoulder Height	0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Hardness Rating	28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
Style Designator	SHOULDERED
Material Document and Classification	ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter	2.500 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN
Shoulder Diameter	2.330 INCHES MINIMUM AND 2.350 INCHES MAXIMUM IN
Surface Treatment	CADMIUM AND CHROMATE OVERALL
Material	STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 OVERALL
Hole Diameter	2.156 INCHES MINIMUM AND 2.158 INCHES MAXIMUM IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
3860370-2	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-408-9644?

NSN 5310-01-408-9644 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-408-9644?

Key specifications for 5310-01-408-9644: Surface Treatment Document and Classification: QQ-P-416,TY2, CL1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Style Designator: SHOULDERED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-408-9644 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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