The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-303-1029, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-303-1029 |
| Primary Part Number | PWA52520-2 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Shank Diameter | 0.2665 INCHES MINIMUM AND 0.2670 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.312 INCHES NOMINAL IN |
| Surface Finish | 32.0 MICROINCHES SHORT SHANK END |
| First End Location | UNTHREADED END |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.532 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Shoulder Diameter | 0.438 INCHES NOMINAL IN |
| Second Shank Length | 0.562 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Second End Style | SQUARE INTERNALLY THREADED |
| Thread Class | 2B |
| Material | STEEL COMP O1 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| PWA52520-2 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5315-01-303-1029 is a Pin,shoulder,headless, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-303-1029 has 1 manufacturer part number on file: PWA52520-2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA52520-2: Shank Diameter: 0.2665 INCHES MINIMUM AND 0.2670 INCHES MAXIMUM IN; Second Shank Diameter: 0.312 INCHES NOMINAL IN; Surface Finish: 32.0 MICROINCHES SHORT SHANK END; First End Location: UNTHREADED END. 21 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.