PartsTable TECHNICAL DATA SHEET

NSN 5310-01-066-3378Government record, cited

Washer5310-01-066-3378

NSN 5310-01-066-3378 · NIIN 010663378 · Part number SP22Y

Ufc Aerospace Europe Limited · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE K4975

Government record, cited

NSN 5310-01-066-3378 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-066-3378. Manufacturer of record part number: SP22Y.

Also searched as 5310-01-066-3378 · 5310010663378 · NIIN 010663378 · 01-066-3378 · FSC 5310 Nuts and Washers · CAGE K4975 · SP22Y · 30-298-141-01

Nearby stock numbers ← 5310-01-066-3377 Washer, Special · 5310-01-066-3379 →

5310-01-066-3378 — Nuts and Washers

Features

Washer — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Ufc Aerospace Europe Limited

Identification

NSN: 5310-01-066-3378
NIIN: 010663378
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: SP22Y
Manufacturer: Ufc Aerospace Europe Limited

General Description

The Washer, cataloged under National Stock Number 5310-01-066-3378, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ufc Aerospace Europe Limited. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Ufc Aerospace Europe Limited (CAGE K4975); Bsi Standards Limited (CAGE K7766)

Technical Specifications

Parameter	Value
NSN	5310-01-066-3378
Primary Part Number	SP22Y
Item Name	Washer
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ufc Aerospace Europe Limited
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
SP22Y PRIMARY	Ufc Aerospace Europe Limited (GBR)
SP22Y	Bsi Standards Limited (GBR)

Reference documents

Reference	Meaning
SP22Y	5/9 Secondary reference British Aerospace North America Inc
30-298-141-01	7/2 Vendor item drawing reference Ge Aviation Systems Ltd

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 5310-01-066-3378?

NSN 5310-01-066-3378 is a Washer, manufactured by Ufc Aerospace Europe Limited, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-066-3378?

NSN 5310-01-066-3378 has 2 manufacturer part numbers on file: SP22Y (Ufc Aerospace Europe Limited), SP22Y (Bsi Standards Limited).

Is NSN 5310-01-066-3378 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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