The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-377-3643, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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 | 5315-01-377-3643 |
| Primary Part Number | 75D041318-2009 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.156 INCHES NOMINAL IN |
| Second Shank Diameter | 0.2499 INCHES NOMINAL IN |
| Undercut Width | 0.300 INCHES NOMINAL IN |
| Undercut Diameter | 0.375 INCHES NOMINAL IN |
| First End Location | ROUND END |
| Surface Treatment Document and Classification | MIL-C-13924A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| First End Style | ROUND |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.375 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.280 INCHES NOMINAL IN |
| Second Shank Length | 0.400 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 1144 OVERALL |
| First End Outer Radius | 0.120 INCHES NOMINAL 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 |
|---|---|
| 75D041318-2009 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5315-01-377-3643 is a Pin,shoulder,headless, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-377-3643 has 1 manufacturer part number on file: 75D041318-2009 (The Boeing Company Div Defense).
Key specifications for 75D041318-2009: Shank Diameter: 0.156 INCHES NOMINAL IN; Second Shank Diameter: 0.2499 INCHES NOMINAL IN; Undercut Width: 0.300 INCHES NOMINAL IN; Undercut Diameter: 0.375 INCHES NOMINAL IN. 16 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.