The Pin,straight,headed, cataloged under National Stock Number 5315-00-438-5089, 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 14 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 | 5315-00-438-5089 |
| Primary Part Number | 4K1540 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Chamfer Length | 0.084 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 1.560 INCHES NOMINAL IN |
| Pin Chamfer Angle | 20.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM |
| First Hole Diameter | 0.141 INCHES NOMINAL IN |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | 1E303 CF,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.494 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Head Style | FLAT CHAMFER |
| Height | 0.156 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.180 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 |
|---|---|
| 4K1540 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5315-00-438-5089 is a Pin,straight,headed, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-438-5089 has 1 manufacturer part number on file: 4K1540 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4K1540: Chamfer Length: 0.084 INCHES NOMINAL IN; Hole Arrangement Style: ONE END DRILLED; Under Head Length: 1.560 INCHES NOMINAL IN; Pin Chamfer Angle: 20.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM. 14 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.