The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-431-3672, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-431-3672 |
| Primary Part Number | 6404978 FIND 36 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Thread Length | 0.750 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Shank Length | 4.380 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Width Between Flats | 0.565 INCHES NOMINAL IN |
| Shoulder Diameter | 1.000 INCHES NOMINAL IN |
| Internal Drive Style | SOCKET |
| Thread Class | 2A A |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 801-6404978 FIND 36 | Naval Sea Systems Command (USA) |
| 211046399 | Naval Sea Systems Command (USA) |
| 6404978 FIND 36 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 801-6404978-36 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5315-01-431-3672 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-431-3672 has 3 manufacturer part numbers on file: 801-6404978 FIND 36 (Naval Sea Systems Command), 211046399 (Naval Sea Systems Command), 6404978 FIND 36 (Naval Sea Systems Command).
Key specifications for 6404978 FIND 36: Shank Diameter: 0.500 INCHES NOMINAL IN; First End Location: THREADED END; Thread Length: 0.750 INCHES NOMINAL IN; First End Style: SQUARE. 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.