The Pin,straight,headless, cataloged under National Stock Number 5315-00-271-8632, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-271-8632 |
| Primary Part Number | 4F3053 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| First End Taper Length | 0.125 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.203 INCHES NOMINAL IN |
| Hardness Rating | 52.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 25.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| Pin Overall Length | 5.125 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Features Provided | CASEHARDENED |
| Material | STEEL COMP 1115 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.281 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 |
|---|---|
| 4F3053 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5315-00-271-8632 is a Pin,straight,headless, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-271-8632 has 1 manufacturer part number on file: 4F3053 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4F3053: First End Taper Length: 0.125 INCHES NOMINAL IN; Hole Arrangement Style: ONE END DRILLED; First End Style: CHAMFERED; First Hole Diameter: 0.203 INCHES NOMINAL IN. 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.