NSN 5310-00-557-9397 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-557-9397. Manufacturer of record part number: 22FT-524.
Also searched as5310-00-557-9397 ·
5310005579397 ·
NIIN 005579397 ·
00-557-9397 ·
FSC 5310 Nuts and Washers · CAGE 56878 · 22FT-524 · 937A139P1
The Nut,self-Locking,castellated,hex, cataloged under National Stock Number 5310-00-557-9397, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 13 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-557-9397
Primary Part Number
22FT-524
Item Name
Nut,self-Locking,castellated,hex
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Sps Technologies, Llc Dba PB Fasteners
Status
ACTIVE
Width Across Flats
0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Surface Treatment Document and Classification
AMS2400-4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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 5310-00-557-9397?
NSN 5310-00-557-9397 is a Nut,self-Locking,castellated,hex, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-557-9397?
NSN 5310-00-557-9397 has 2 manufacturer part numbers on file: 937A139P1 (General Electric Company), 22FT-524 (Sps Technologies, Llc Dba PB Fasteners).
What are the specifications of 22FT-524?
Key specifications for 22FT-524: Width Across Flats: 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2400-4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Thread Direction: RIGHT-HAND. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-557-9397 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.