NSN 5310-01-288-6321 · NIIN 012886321 · Part number 7275-4
King Engineering Corporation Dba King-Gage Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 33667
Government record, cited
NSN 5310-01-288-6321 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-288-6321. Manufacturer of record part number: 7275-4.
Also searched as5310-01-288-6321 ·
5310012886321 ·
NIIN 012886321 ·
01-288-6321 ·
FSC 5310 Nuts and Washers · CAGE 33667 · 7275-4
Nearby stock numbers← 5310-01-288-6320 Washer, Piston Cup
·
5310-01-288-6331 Nut, Special →
5310-01-288-6321 — Nuts and Washers
Features
Washer — FSC 5310
1 manufacturer part number on file
Manufacturer of record: King Engineering Corporation Dba King-Gage Systems
Identification
NSN: 5310-01-288-6321
NIIN: 012886321
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 7275-4
Manufacturer: King Engineering Corporation Dba King-Gage Systems
General Description
The Washer, cataloged under National Stock Number 5310-01-288-6321, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is King Engineering Corporation Dba King-Gage Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Washer
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
King Engineering Corporation Dba King-Gage Systems (CAGE 33667)
Technical Specifications
Parameter
Value
NSN
5310-01-288-6321
Primary Part Number
7275-4
Item Name
Washer
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
King Engineering Corporation Dba King-Gage Systems
King Engineering Corporation Dba King-Gage Systems (USA)
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 5310-01-288-6321?
NSN 5310-01-288-6321 is a Washer, manufactured by King Engineering Corporation Dba King-Gage Systems, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-288-6321?
NSN 5310-01-288-6321 has 1 manufacturer part number on file: 7275-4 (King Engineering Corporation Dba King-Gage Systems).
Is NSN 5310-01-288-6321 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.