The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-003-6554, 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. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-003-6554 |
| Primary Part Number | A51M20501-13 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.090 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE |
| Shank Length | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.122 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL 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 |
|---|---|
| A51M20501-13 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51M20501-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51M20501-13 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5315-00-003-6554 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-003-6554 has 1 manufacturer part number on file: A51M20501-13 (Northrop Grumman Systems Corporation).
Key specifications for A51M20501-13: Shank Diameter: 0.090 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN; First End Location: BOTH ENDS; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; First End Style: SQUARE. 10 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.