The Pin,straight,headed, cataloged under National Stock Number 5315-00-243-2570, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sea Spike Marine Supply Co Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-243-2570 |
| Primary Part Number | 121078 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sea Spike Marine Supply Co Inc |
| Status | ACTIVE |
| Chamfer Length | 1.125 INCHES NOMINAL IN |
| Head Width | 3.000 INCHES NOMINAL IN |
| Under Head Length | 14.000 INCHES NOMINAL IN |
| Pin Chamfer Angle | 45.0 DEGREES NOMINAL |
| Style Designator | STRAIGHT |
| Diameter | 1.750 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Head Style | SQUARE |
| Height | 0.500 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Slot Width | 0.437 INCHES NOMINAL IN |
| Slot Length | 2.500 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 |
|---|---|
| 121078 | Sea Spike Marine Supply Co Inc (USA) |
| 121078 | Washington Chain & Supply, Inc. Dba Washington Chain & Supply (USA) |
| 121078 | Edsal Machine Products Inc (USA) |
| 121078 | Hamanaka Intl Inc (USA) |
| 121078 | Anderson Forge and Machine, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 121078 | 5/9 Secondary reference Fabco Machine Services |
| MILP82409CG | 4/1 Identification reference U.S. Government activity |
NSN 5315-00-243-2570 is a Pin,straight,headed, manufactured by Sea Spike Marine Supply Co Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-243-2570 has 5 manufacturer part numbers on file: 121078 (Sea Spike Marine Supply Co Inc), 121078 (Washington Chain & Supply, Inc. Dba Washington Chain & Supply), 121078 (Edsal Machine Products Inc), 121078 (Hamanaka Intl Inc), 121078 (Anderson Forge and Machine, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5315-00-243-2587. Verify interchangeability with system specifications before substitution.
Key specifications for 121078: Chamfer Length: 1.125 INCHES NOMINAL IN; Head Width: 3.000 INCHES NOMINAL IN; Under Head Length: 14.000 INCHES NOMINAL IN; Pin Chamfer Angle: 45.0 DEGREES NOMINAL. 12 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.