The Pin,straight,threaded, cataloged under National Stock Number 5315-00-291-2161, 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 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 | 5315-00-291-2161 |
| Primary Part Number | S1610-31002 |
| Item Name | Pin,straight,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | DRILLED SHANK THREADED PIN |
| Thread Length | 0.617 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Hole Diameter | 0.107 INCHES NOMINAL IN |
| Hardness Rating | 21.0 ROCKWELL C NOMINAL OVERALL |
| Pin Overall Diameter | 0.6860 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN |
| Pin Overall Length | 4.233 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Features Provided | CASEHARDENED |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Pin Grip Length | 3.520 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 4.015 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 |
|---|---|
| S1610-31002 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5315-00-291-2161 is a Pin,straight,threaded, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-291-2161 has 1 manufacturer part number on file: S1610-31002 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S1610-31002: First End Location: BOTH ENDS; Hole Arrangement Style: DRILLED SHANK THREADED PIN; Thread Length: 0.617 INCHES NOMINAL IN; First End Style: SQUARE. 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.