NSN 5310-01-642-1266 · NIIN 016421266 · Part number NH-22
Whittet-Higgins Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 79568
Government record, cited
NSN 5310-01-642-1266 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-642-1266. Manufacturer of record part number: NH-22.
Also searched as5310-01-642-1266 ·
5310016421266 ·
NIIN 016421266 ·
01-642-1266 ·
FSC 5310 Nuts and Washers · CAGE 79568 · NH-22 · 8287040 ITEM 17 · 8286970-1
The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-642-1266, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 5310-01-642-1266?
NSN 5310-01-642-1266 is a Nut,self-Locking,round, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-642-1266?
NSN 5310-01-642-1266 has 2 manufacturer part numbers on file: NH-22 (Whittet-Higgins Company), 8286970-1 (Naval Sea Systems Command).
What are the specifications of NH-22?
Key specifications for NH-22: Thread Direction: RIGHT-HAND; Nominal Thread Size: 4.325 INCHES IN; Nut Diameter: 5.719 INCHES NOMINAL IN; Nut Thickness: 0.978 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-642-1266 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.