Washer, Lock5310-01-563-4750

NSN 5310-01-563-4750 · NIIN 015634750 · Part number WA-221

Grimes Aerospace Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 72914

Government record, cited

NSN 5310-01-563-4750 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-563-4750. Manufacturer of record part number: WA-221.

Also searched as 5310-01-563-4750 · 5310015634750 · NIIN 015634750 · 01-563-4750 · FSC 5310 Nuts and Washers · CAGE 72914 · WA-221

Nearby stock numbers ← 5310-01-563-4714 Nut, Self-Locking, Hexagon · 5310-01-563-4834 Washer, Spring Tension →

5310-01-563-4750 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Grimes Aerospace Company

Identification

NSN: 5310-01-563-4750
NIIN: 015634750
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: WA-221
Manufacturer: Grimes Aerospace Company

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-563-4750, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-563-4750
Primary Part Number	WA-221
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Grimes Aerospace Company
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
WA-221 PRIMARY	Grimes Aerospace Company (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 5310-01-563-4750?

NSN 5310-01-563-4750 is a Washer,lock, manufactured by Grimes Aerospace Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-563-4750?

NSN 5310-01-563-4750 has 1 manufacturer part number on file: WA-221 (Grimes Aerospace Company).

What are the specifications of WA-221?

Key specifications for WA-221: End Item Identification: LIGHT ASSEMBLY RECUE HOIST. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-563-4750 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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