The Setscrew, cataloged under National Stock Number 5305-00-148-6352, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-148-6352 |
| Primary Part Number | 93951 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.094 INCHES NOMINAL IN |
| Point Diameter | 0.356 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| Head Height | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Point Length | 0.312 INCHES NOMINAL IN |
| Fastener Length | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Thread Length | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Point Style | DOG |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 93951 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 93951 | 3/9 Design control — primary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
NSN 5305-00-148-6352 is a Setscrew, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-148-6352 has 1 manufacturer part number on file: 93951 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-120-7475, 5315-01-285-7385. Verify interchangeability with system specifications before substitution.
Key specifications for 93951: Extended Washer Thickness: 0.094 INCHES NOMINAL IN; Point Diameter: 0.356 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN; Head Height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Point Length: 0.312 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.