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NSN 5310-01-655-8610Government record, cited

Washer, Flat5310-01-655-8610

NSN 5310-01-655-8610 · NIIN 016558610 · Part number 721-8217297-28

Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5310-01-655-8610 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-655-8610. Manufacturer of record part number: 721-8217297-28.

Also searched as 5310-01-655-8610 · 5310016558610 · NIIN 016558610 · 01-655-8610 · FSC 5310 Nuts and Washers · CAGE 53711 · 721-8217297-28 · H861-6000-52 · 721-8217297 · 861-8110-28 · 741-8217287-52

Nearby stock numbers ← 5310-01-655-8527 Washer, Flat · 5310-01-655-9088 Nut, Self-Locking, Assembled Washe →

5310-01-655-8610 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5310-01-655-8610
NIIN: 016558610
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 721-8217297-28
Manufacturer: Naval Sea Systems Command

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-655-8610, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	5310-01-655-8610
Primary Part Number	721-8217297-28
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Sea Systems Command
Status	ACTIVE

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

Part Number	Manufacturer
721-8217297-28 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
H861-6000-52	5/1 Secondary reference U.S. Government activity
721-8217297	D/9 Drawing number reference only Naval Sea Systems Command
861-8110-28	5/1 Secondary reference U.S. Government activity
741-8217287-52	5/1 Secondary reference Naval Sea Systems Command

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 5310-01-655-8610?

NSN 5310-01-655-8610 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-655-8610?

NSN 5310-01-655-8610 has 1 manufacturer part number on file: 721-8217297-28 (Naval Sea Systems Command).

Is NSN 5310-01-655-8610 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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