Washer, Shouldered5310-00-156-0665

NSN 5310-00-156-0665 · NIIN 001560665

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

Government record, cited

Also searched as 5310-00-156-0665 · 5310001560665 · NIIN 001560665 · 00-156-0665 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-00-156-0664 Washer, Flat · 5310-00-156-1169 →

5310-00-156-0665 — Nuts and Washers

Features

Washer,shouldered — FSC 5310
Shoulder Height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Style Designator: SHOULDERED
Outside Diameter: 0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
Material Thickness: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Shoulder Diameter: 0.650 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
Material: STEEL COMP 4130 OVERALL

Identification

NSN: 5310-00-156-0665
NIIN: 001560665
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-156-0665, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-00-156-0665
Item Name	Washer,shouldered
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Shoulder Height	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
Hardness Rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Style Designator	SHOULDERED
Outside Diameter	0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
Material Thickness	0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Shoulder Diameter	0.650 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
Material	STEEL COMP 4130 OVERALL
Hole Diameter	0.577 INCHES MINIMUM AND 0.586 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
3198712	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 5310-00-156-0665?

NSN 5310-00-156-0665 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-00-156-0665?

Key specifications for 5310-00-156-0665: Shoulder Height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Style Designator: SHOULDERED; Outside Diameter: 0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-156-0665 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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