The Pin,straight,headed, cataloged under National Stock Number 5315-00-421-0001, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-421-0001 |
| Primary Part Number | 532256-1 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES SHANK END |
| Surface Finish | 125.0 MICROINCHES ALL OTHER SURFACES |
| Chamfer Length | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 1,BLACK MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN |
| Pin Chamfer Angle | 45.0 DEGREES NOMINAL |
| First Hole Diameter | 0.032 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.1868 INCHES MINIMUM AND 0.1871 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Head Style | FLAT |
| Height | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 4130 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.060 INCHES MINIMUM AND 0.095 INCHES MAXIMUM 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 |
|---|---|
| 532256-1 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 532256-1 | 5/9 Secondary reference Moog Military Aircraft Llc |
| 532256-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 5315-00-421-0001 is a Pin,straight,headed, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-421-0001 has 1 manufacturer part number on file: 532256-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 532256-1: Surface Finish: 16.0 MICROINCHES SHANK END; Surface Finish: 125.0 MICROINCHES ALL OTHER SURFACES; Chamfer Length: 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-13924,CLASS 1,BLACK MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.