The Pin,straight,headless, cataloged under National Stock Number 5315-01-337-7284, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-337-7284 |
| Primary Part Number | 4365178 PC 18 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Taper Length | 0.125 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 3.9950 INCHES MINIMUM AND 3.9990 INCHES MAXIMUM IN |
| Pin Overall Length | 8.250 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL COMP 1026 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 |
|---|---|
| 4365178 PC 18 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 122-4365178 PIECE 18 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-337-7284 is a Pin,straight,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-337-7284 has 1 manufacturer part number on file: 4365178 PC 18 (Naval Sea Systems Command).
Key specifications for 4365178 PC 18: First End Taper Length: 0.125 INCHES NOMINAL IN; First End Style: CHAMFERED; First End Taper Angle: 45.0 DEGREES NOMINAL; Pin Overall Diameter: 3.9950 INCHES MINIMUM AND 3.9990 INCHES MAXIMUM IN. 7 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.