The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-445-3329, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-445-3329 |
| Primary Part Number | 4556118-2 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Shank Length | 1.875 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763, COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| 4556118-2 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 123-4403562 PART 43 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 123-4556118 PART 2 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 5315-01-445-3329 is a Pin,shoulder,headless, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-445-3329 has 1 manufacturer part number on file: 4556118-2 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 4556118-2: Shank Diameter: 0.500 INCHES NOMINAL IN; First End Location: BOTH ENDS; First End Style: SQUARE; Shank Length: 1.875 INCHES NOMINAL IN. 9 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.