The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-266-3882, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-266-3882 |
| Primary Part Number | 5166899 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Second Shank Diameter | 0.250 INCHES NOMINAL IN |
| First End Taper Length | 0.250 INCHES NOMINAL IN |
| First End Location | SHORT SHANK END |
| Surface Treatment Document and Classification | ASTM B633 TY2 CL2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.620 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 1.690 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 10.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Shoulder Diameter | 0.375 INCHES NOMINAL IN |
| Second Shank Length | 3.500 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Second End Style | SQUARE |
| Thread Class | 2A A |
| Material | STEEL COMP 1018 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 |
|---|---|
| 5166899 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5315-01-266-3882 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-266-3882 has 1 manufacturer part number on file: 5166899 (Naval Sea Systems Command).
Key specifications for 5166899: Shank Diameter: 0.250 INCHES NOMINAL IN; Second Shank Diameter: 0.250 INCHES NOMINAL IN; First End Taper Length: 0.250 INCHES NOMINAL IN; First End Location: SHORT SHANK 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.