The Pin,tapered,threaded, cataloged under National Stock Number 5315-00-566-9934, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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 | 5315-00-566-9934 |
| Primary Part Number | 272B5051031-1 |
| Item Name | Pin,tapered,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 1.000 INCHES NOMINAL IN |
| First Hole Diameter | 0.067 INCHES NOMINAL IN |
| Taper Minor Diameter | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | THREADED AT SMALL END |
| Material Document and Classification | MIL-S-5626,COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Taper Major Diameter | 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Taper Length | 0.844 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Taper | 0.190 PER FOOT IN INCHES |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 0.125 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 |
|---|---|
| 272B5051031-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5315-00-566-9934 is a Pin,tapered,threaded, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-566-9934 has 1 manufacturer part number on file: 272B5051031-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 272B5051031-1: Hole Arrangement Style: ONE END DRILLED; Thread Length: 1.000 INCHES NOMINAL IN; First Hole Diameter: 0.067 INCHES NOMINAL IN; Taper Minor Diameter: 0.250 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.