The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-446-1601, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Parts & Aerostructures Limited Div Field Aviation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-446-1601 |
| Primary Part Number | C4BM1751-1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | De Havilland Parts & Aerostructures Limited Div Field Aviation |
| Status | ACTIVE |
| Shank Diameter | 0.200 INCHES NOMINAL IN |
| Second Shank Diameter | 0.200 INCHES NOMINAL IN |
| First End Location | SHORT SHANK END |
| First End Style | OVAL |
| Shank Length | 0.300 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.2975 INCHES NOMINAL IN |
| Second Shank Length | 1.100 INCHES NOMINAL IN |
| Second End Style | SQUARE |
| Material | STEEL COMP 4130 OVERALL |
| First End Outer Radius | 0.125 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 |
|---|---|
| C4BM1751-1 PRIMARY | De Havilland Parts & Aerostructures Limited Div Field Aviation (CAN) |
| Reference | Meaning |
|---|---|
| C4BM1751-1 | 3/9 Design control — primary reference De Havilland Aircraft of Canada Limited |
NSN 5315-00-446-1601 is a Pin,shoulder,headless, manufactured by De Havilland Parts & Aerostructures Limited Div Field Aviation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-446-1601 has 1 manufacturer part number on file: C4BM1751-1 (De Havilland Parts & Aerostructures Limited Div Field Aviation).
Key specifications for C4BM1751-1: Shank Diameter: 0.200 INCHES NOMINAL IN; Second Shank Diameter: 0.200 INCHES NOMINAL IN; First End Location: SHORT SHANK END; First End Style: OVAL. 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.