The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-171-1986, 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 23 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 | 5315-01-171-1986 |
| Primary Part Number | 4057968 |
| 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 |
| Surface Finish | 32.0 MICROINCHES LONG END |
| Surface Finish | 16.0 MICROINCHES SHORT SHANK END |
| First End Taper Length | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| First Step Diameter | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| First End Location | SHORT SHANK END |
| Surface Treatment Document and Classification | PWA256-1,PWA 474,77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| First End Counterbore Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Third Step Diameter | 0.3495 INCHES MINIMUM AND 0.3501 INCHES MAXIMUM IN |
| First End Style | CHAMFERED AND COUNTERBORED |
| Second Step Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Step Diameter | 0.5248 INCHES MINIMUM AND 0.5254 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.4340 INCHES MINIMUM AND 0.4346 INCHES MAXIMUM IN |
| First Step Length | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Second End Counterbore Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Second End Style | COUNTERBORED W/O THRU HOLE |
| Material | NICKEL ALLOY OVERALL |
| Second End Counterbore Depth | 0.770 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN |
| Third Step Length | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| First End Counterbore Depth | 0.210 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 4057968 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5315-01-171-1986 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 5315-01-171-1986 has 1 manufacturer part number on file: 4057968 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4057968: Surface Finish: 32.0 MICROINCHES LONG END; Surface Finish: 16.0 MICROINCHES SHORT SHANK END; First End Taper Length: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; First Step Diameter: 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. 23 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.