NSN 5310-01-568-2999 · NIIN 015682999 · Part number NHK-A-05250
Coupling Corporation of America Dba Coupling Corp of America · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 9F426
Government record, cited
NSN 5310-01-568-2999 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-568-2999. Manufacturer of record part number: NHK-A-05250.
Also searched as5310-01-568-2999 ·
5310015682999 ·
NIIN 015682999 ·
01-568-2999 ·
FSC 5310 Nuts and Washers · CAGE 9F426 · NHK-A-05250 · TT500-A-04204 ITEM 11
Manufacturer of record: Coupling Corporation of America Dba Coupling Corp of America
Identification
NSN: 5310-01-568-2999
NIIN: 015682999
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: NHK-A-05250
Manufacturer: Coupling Corporation of America Dba Coupling Corp of America
General Description
The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-568-2999, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Coupling Corporation of America Dba Coupling Corp of America. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Nut,self-Locking,extended Washer
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Coupling Corporation of America Dba Coupling Corp of America (CAGE 9F426)
Technical Specifications
Parameter
Value
NSN
5310-01-568-2999
Primary Part Number
NHK-A-05250
Item Name
Nut,self-Locking,extended Washer
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Coupling Corporation of America Dba Coupling Corp of America
Coupling Corporation of America Dba Coupling Corp of America (USA)
Reference documents
Reference
Meaning
TT500-A-04204 ITEM 11
5/1Secondary reference
Coupling Corporation of America Dba Coupling Corp of America
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 5310-01-568-2999?
NSN 5310-01-568-2999 is a Nut,self-Locking,extended Washer, manufactured by Coupling Corporation of America Dba Coupling Corp of America, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-568-2999?
NSN 5310-01-568-2999 has 1 manufacturer part number on file: NHK-A-05250 (Coupling Corporation of America Dba Coupling Corp of America).
Is NSN 5310-01-568-2999 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.