The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-373-3301, 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 Div Pratt & Whitney. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-373-3301 |
| Primary Part Number | 571688 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Shank Diameter | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Surface Finish | 32.000 MICROINCHES BOTH ENDS |
| First End Taper Length | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| First End Style | CHAMFERED |
| Shank Length | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 28.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Second Shank Length | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 571688 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 571688 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 571688 | 5/2 Secondary reference U.S. Government activity |
| 571688 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5315-00-373-3301 is a Pin,shoulder,headless, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-373-3301 has 1 manufacturer part number on file: 571688 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 571688: Shank Diameter: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Second Shank Diameter: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Surface Finish: 32.000 MICROINCHES BOTH ENDS; First End Taper Length: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. 14 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.