NSN 5310-01-641-7649 · NIIN 016417649 · Part number WH-22
Whittet-Higgins Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 79568
Government record, cited
NSN 5310-01-641-7649 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-641-7649. Manufacturer of record part number: WH-22.
Also searched as5310-01-641-7649 ·
5310016417649 ·
NIIN 016417649 ·
01-641-7649 ·
FSC 5310 Nuts and Washers · CAGE 79568 · WH-22 · 8286971-1 · 8287040 ITEM 18
Overall Distance Including Keys: 6.062 INCHES NOMINAL IN
Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYS
Outside Diameter: 5.326 INCHES NOMINAL IN
Material Thickness: 0.147 INCHES NOMINAL IN
External Key Quantity: 19
Internal Key Quantity: 1
Hole Diameter: 4.395 INCHES NOMINAL IN
Identification
NSN: 5310-01-641-7649
NIIN: 016417649
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: WH-22
Manufacturer: Whittet-Higgins Company
General Description
The Washer,key, cataloged under National Stock Number 5310-01-641-7649, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whittet-Higgins Company. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
C/1Advisory reference — outside the item-of-supply concept
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 5310-01-641-7649?
NSN 5310-01-641-7649 is a Washer,key, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-641-7649?
NSN 5310-01-641-7649 has 2 manufacturer part numbers on file: 8286971-1 (Naval Sea Systems Command), WH-22 (Whittet-Higgins Company).
What are the specifications of WH-22?
Key specifications for WH-22: Overall Distance Including Keys: 6.062 INCHES NOMINAL IN; Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYS; Outside Diameter: 5.326 INCHES NOMINAL IN; Material Thickness: 0.147 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-641-7649 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.