The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-273-4650, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-273-4650 |
| Primary Part Number | 5166366 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Second End Taper Angle | 15.0 DEGREES NOMINAL |
| Thread Length | 0.680 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 1.120 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.190 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Shoulder Diameter | 0.4970 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 5166366 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5315-01-273-4650 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-273-4650 has 1 manufacturer part number on file: 5166366 (Naval Sea Systems Command).
Key specifications for 5166366: Shank Diameter: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; First End Location: THREADED END; Second End Taper Angle: 15.0 DEGREES NOMINAL; Thread Length: 0.680 INCHES NOMINAL IN. 18 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.