The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-155-6145, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-155-6145 |
| Primary Part Number | SSN678-400-4361609PIECE9 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES LONG SHANK |
| First End Taper Length | 0.075 INCHES NOMINAL IN |
| First Step Diameter | 1.250 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Third Step Diameter | 0.750 INCHES NOMINAL IN |
| Thread Length | 1.125 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 5.000 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Second Step Diameter | 0.992 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| First Step Length | 1.500 INCHES NOMINAL IN |
| Second End Style | SQUARE |
| Thread Class | 2A A |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Third Step Length | 1.250 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 |
|---|---|
| SSN678-400-4361609PIECE9 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 77631-01X17PIECE9 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-155-6145 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-155-6145 has 1 manufacturer part number on file: SSN678-400-4361609PIECE9 (Naval Sea Systems Command).
Key specifications for SSN678-400-4361609PIECE9: Surface Finish: 63.0 MICROINCHES LONG SHANK; First End Taper Length: 0.075 INCHES NOMINAL IN; First Step Diameter: 1.250 INCHES NOMINAL IN; First End Location: THREADED END. 21 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.