The Pin,straight,headless, cataloged under National Stock Number 5315-01-571-4951, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-571-4951 |
| Primary Part Number | 4G10221H01 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| 4G10221H01 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| PL4G10221 ITEM 001 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| PL4G10105 ITEM 012 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 4G10105 ITEM 012 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 4G10221 ITEM 001 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 5315-01-571-4951 is a Pin,straight,headless, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-571-4951 has 1 manufacturer part number on file: 4G10221H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-571-6708. Verify interchangeability with system specifications before substitution.
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.