The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-478-6134, 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 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-478-6134 |
| Primary Part Number | 815933 |
| 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 |
| First End Taper Length | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Length | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM SHOULDER IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | AMS 2406 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.184 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Second End Taper Angle | 45.0 DEGREES NOMINAL |
| Thread Length | 0.435 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Step Width Across Flats | 0.313 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Second Step Length | 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Thread Pitch Diameters | +0.2797 TO 0.2824 INCHES IN |
| Material Document and Classification | AMS 7470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.020 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Second Step Diameter | 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 615 OVERALL |
| Thread Series Designator | UNS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 5315-01-478-6134 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 5315-01-478-6134 has 3 manufacturer part numbers on file: 815933 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 815933 (Beta Engineering, Inc. Dba Beta Engineering Inc), 815933 (Airtronics, Llc).
Key specifications for 815933: First End Taper Length: 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Length: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM SHOULDER IN; First End Location: THREADED END; Surface Treatment Document and Classification: AMS 2406 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 26 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.