The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-166-6214, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 20 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 | 5315-01-166-6214 |
| Primary Part Number | 70209-21221-108 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| First End Taper Length | 0.050 INCHES NOMINAL IN |
| First Step Diameter | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Third Step Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 1.130 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 2.240 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.100 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 | 0.250 INCHES IN |
| Second Step Diameter | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| First Step Length | 0.600 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Third Step Length | 1.130 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 |
|---|---|
| 70209-21221-108 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5315-01-166-6214 is a Pin,shoulder,headless, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-166-6214 has 1 manufacturer part number on file: 70209-21221-108 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70209-21221-108: First End Taper Length: 0.050 INCHES NOMINAL IN; First Step Diameter: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; First End Location: THREADED END; Third Step Diameter: 0.250 INCHES NOMINAL IN. 20 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.