The Pin,straight,headed, cataloged under National Stock Number 5315-00-673-7803, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Gulf Coast Holdings, Inc Dba Unidynamics. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-673-7803 |
| Primary Part Number | BUWEPSDWG1788277 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Gulf Coast Holdings, Inc Dba Unidynamics |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES HEAD OUTSIDE DIAMETER |
| Surface Finish | 125.0 MICROINCHES HEAD BEARING SURFACE |
| Surface Finish | 125.0 MICROINCHES HEAD TOP |
| Surface Finish | 65.0 MICROINCHES LONG SHANK |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Chamfer Length | 0.031 INCHES NOMINAL IN |
| Hole Arrangement Style | DRILLED THRU HEAD |
| Under Head Length | 1.062 INCHES NOMINAL IN |
| Pin Chamfer Angle | 45.0 DEGREES NOMINAL |
| First Hole Diameter | 0.641 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT |
| Diameter | 0.747 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Height | 0.891 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL COMP 1117 OVERALL |
| Distance From Centerline of Hole to End of Pin | 1.507 INCHES NOMINAL IN |
| 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 |
|---|---|
| BUWEPSDWG1788277 PRIMARY | Gulf Coast Holdings, Inc Dba Unidynamics (USA) |
| 1788277 PRIMARY | Gulf Coast Holdings, Inc Dba Unidynamics (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG1788277 | 5/9 Secondary reference U.S. Government activity |
| 1788277 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5315-00-673-7803 is a Pin,straight,headed, manufactured by Gulf Coast Holdings, Inc Dba Unidynamics, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-673-7803 has 2 manufacturer part numbers on file: BUWEPSDWG1788277 (Gulf Coast Holdings, Inc Dba Unidynamics), 1788277 (Gulf Coast Holdings, Inc Dba Unidynamics).
Key specifications for BUWEPSDWG1788277: Surface Finish: 125.0 MICROINCHES HEAD OUTSIDE DIAMETER; Surface Finish: 125.0 MICROINCHES HEAD BEARING SURFACE; Surface Finish: 125.0 MICROINCHES HEAD TOP; Surface Finish: 65.0 MICROINCHES LONG SHANK. 17 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.