The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-227-6561, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 13 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 | 5315-01-227-6561 |
| Primary Part Number | 122-52731-1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Shank Diameter | 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Undercut Width | 0.150 INCHES NOMINAL IN |
| Undercut Diameter | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| First End Location | SMALL END |
| Second End Taper Angle | 50.0 DEGREES NOMINAL |
| First End Style | SQUARE |
| Shank Length | 0.375 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Second End Taper Length | 0.047 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Second End Style | POINTED |
| Material | STEEL COMP 1020 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 |
|---|---|
| 122-52731-1 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
NSN 5315-01-227-6561 is a Pin,shoulder,headless, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-227-6561 has 1 manufacturer part number on file: 122-52731-1 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 122-52731-1: Shank Diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Undercut Width: 0.150 INCHES NOMINAL IN; Undercut Diameter: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; First End Location: SMALL END. 13 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.