The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-331-9429, 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 23 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 | 5315-00-331-9429 |
| Primary Part Number | 258E9020192 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Shank Diameter | 0.190 INCHES NOMINAL IN |
| Second Shank Diameter | 0.246 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Second End Taper Angle | 60.0 DEGREES NOMINAL |
| Thread Length | 0.438 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.438 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.188 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 | 0.190 INCHES IN |
| Shoulder Diameter | 0.438 INCHES NOMINAL IN |
| Second Shank Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Second End Style | POINTED |
| Thread Class | 2A A |
| Material | STEEL COMP 4130 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 |
|---|---|
| 258E9020192 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5315-00-331-9429 is a Pin,shoulder,headless, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-331-9429 has 1 manufacturer part number on file: 258E9020192 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 258E9020192: Shank Diameter: 0.190 INCHES NOMINAL IN; Second Shank Diameter: 0.246 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; First End Taper Length: 0.031 INCHES NOMINAL IN; First End Location: THREADED END. 23 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.