Washer, Flat5310-01-090-3085

NSN 5310-01-090-3085 · NIIN 010903085

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

Government record, cited

Also searched as 5310-01-090-3085 · 5310010903085 · NIIN 010903085 · 01-090-3085 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-090-3076 Washer, Flat · 5310-01-090-3308 →

5310-01-090-3085 — Nuts and Washers

Features

Washer,flat — FSC 5310
Surface Finish: 63.0 MICROINCHES BOTTOM
Surface Finish: 63.0 MICROINCHES TOP
Surface Finish: 125.0 MICROINCHES INNER
Surface Finish: 250.0 MICROINCHES OUTER
Overall Diameter: 0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
Material Document and Classification: AMS5754 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR

Identification

NSN: 5310-01-090-3085
NIIN: 010903085
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-090-3085, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-090-3085
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Finish	63.0 MICROINCHES BOTTOM
Surface Finish	63.0 MICROINCHES TOP
Surface Finish	125.0 MICROINCHES INNER
Surface Finish	250.0 MICROINCHES OUTER
Overall Diameter	0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
Material Document and Classification	AMS5754 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Material	STEEL OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
Thickness	0.090 INCHES MINIMUM AND 0.095 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
3033T37P17	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 5310-01-090-3085?

NSN 5310-01-090-3085 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-090-3085?

Key specifications for 5310-01-090-3085: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Surface Finish: 125.0 MICROINCHES INNER; Surface Finish: 250.0 MICROINCHES OUTER. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-090-3085 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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