NSN 5310-00-148-1185 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-148-1185. Manufacturer of record part number: 67521-428.
Also searched as5310-00-148-1185 ·
5310001481185 ·
NIIN 001481185 ·
00-148-1185 ·
FSC 5310 Nuts and Washers · CAGE 56878 · 67521-428 · 536776
The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-148-1185, 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
5310-00-148-1185
Primary Part Number
67521-428
Item Name
Nut,self-Locking,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Sps Technologies, Llc Dba PB Fasteners
Status
ACTIVE
Width Across Flats
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Thread Series
UNF
Hardness Rating
24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
Thread Pitch Diameters
+0.2298 TO 0.2330 INCHES IN
Material Document and Classification
AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (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 5310-00-148-1185?
NSN 5310-00-148-1185 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-148-1185?
NSN 5310-00-148-1185 has 2 manufacturer part numbers on file: 67521-428 (Sps Technologies, Llc Dba PB Fasteners), 536776 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 67521-428?
Key specifications for 67521-428: Width Across Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Thread Series: UNF; Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +0.2298 TO 0.2330 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-148-1185 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.