The Pin,grooved,headed, cataloged under National Stock Number 5315-00-012-4501, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-012-4501 |
| Primary Part Number | 55A44B20-3 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Undercut Width | 0.039 INCHES NOMINAL IN |
| Undercut Diameter | 0.468 INCHES NOMINAL IN |
| Under Head Length | 1.440 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Style Designator | GROOVE |
| Pin Head Diameter | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.499 INCHES NOMINAL IN |
| Effective Length | 1.330 INCHES NOMINAL IN |
| Head Style | FLAT |
| Height | 0.060 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 431 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 55A44B20-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 55A44B20-3 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 55A44B20-3 | Indiana Aircraft Hardware, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 67A79B20 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 55A44B20-3 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 55A44B20-3 | 5/9 Secondary reference U.S. Government activity |
| 55A44B20-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-00-012-4501 is a Pin,grooved,headed, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-012-4501 has 3 manufacturer part numbers on file: 55A44B20-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 55A44B20-3 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 55A44B20-3 (Indiana Aircraft Hardware, Inc.).
Key specifications for 55A44B20-3: Undercut Width: 0.039 INCHES NOMINAL IN; Undercut Diameter: 0.468 INCHES NOMINAL IN; Under Head Length: 1.440 INCHES NOMINAL IN; First End Style: SQUARE. 13 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.