The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-191-2618, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Government technical data includes 22 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 | 5315-01-191-2618 |
| Primary Part Number | 25B5112 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.500 INCHES NOMINAL IN |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.250 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.625 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Shoulder Diameter | 1.125 INCHES NOMINAL IN |
| Second End Outer Radius | 0.249 INCHES NOMINAL IN |
| Second Shank Length | 1.500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | ROUND |
| Thread Class | 2B |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 25B5112 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
NSN 5315-01-191-2618 is a Pin,shoulder,headless, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-191-2618 has 1 manufacturer part number on file: 25B5112 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 25B5112: Shank Diameter: 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN; Second Shank Diameter: 0.500 INCHES NOMINAL IN; First End Taper Length: 0.062 INCHES NOMINAL IN; First End Location: THREADED END. 22 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.