The Pin,grooved,headed, cataloged under National Stock Number 5315-01-264-1542, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-01-264-1542 |
| Primary Part Number | 177A751-001 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Undercut Width | 0.062 INCHES NOMINAL IN |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| Undercut Diameter | 0.500 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 2.125 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | GROOVE |
| Pin Head Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.562 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Head Style | KNURLED NO. 1 |
| Height | 0.500 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 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 |
|---|---|
| 177A751-001 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| A-3216229 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 177A751-001 | 5/9 Secondary reference General Electric Company |
| 177A751 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-264-1542 is a Pin,grooved,headed, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-264-1542 has 2 manufacturer part numbers on file: 177A751-001 (Timken Gears & Services Inc. Div Philadelphia Gear), A-3216229 (Naval Sea Systems Command).
Key specifications for 177A751-001: Undercut Width: 0.062 INCHES NOMINAL IN; First End Taper Length: 0.062 INCHES NOMINAL IN; Undercut Diameter: 0.500 INCHES NOMINAL IN; Hole Arrangement Style: ONE END DRILLED. 15 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.