The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-357-3975, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-357-3975 |
| Primary Part Number | 6640209 ITEM 06 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 0.190 INCHES NOMINAL IN |
| Undercut Width | 0.060 INCHES NOMINAL IN |
| First End Location | THREADED END |
| First End Style | ROUND |
| Shank Length | 0.690 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Second End Style | ROUND |
| 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 |
|---|---|
| 400 6640209 ITEM 06 | Naval Sea Systems Command (USA) |
| 6640209 ITEM 06 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| W8820406 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 5315-01-357-3975 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-357-3975 has 2 manufacturer part numbers on file: 400 6640209 ITEM 06 (Naval Sea Systems Command), 6640209 ITEM 06 (Naval Sea Systems Command).
Key specifications for 6640209 ITEM 06: Shank Diameter: 0.190 INCHES NOMINAL IN; Undercut Width: 0.060 INCHES NOMINAL IN; First End Location: THREADED END; First End Style: ROUND. 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.