The Pin,spring, cataloged under National Stock Number 5315-01-161-9154, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Spirol International Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-161-9154 |
| Primary Part Number | 125-0683MDP |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Spirol International Corporation |
| Status | ACTIVE |
| Expanded Diameter | 0.130 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | COILED |
| Diameter | 0.125 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 2100 DOUBLE POUNDS PER SQUARE INCH |
| Material | STEEL COMP 302 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 |
|---|---|
| 125-0683MDP PRIMARY | Spirol International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 280039 ITEM 92 | 5/2 Secondary reference U.S. Government activity |
| 4173121-2068 | 5/2 Secondary reference U.S. Government activity |
| 281539-0001 ITEM 93 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-161-9154 is a Pin,spring, manufactured by Spirol International Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-161-9154 has 1 manufacturer part number on file: 125-0683MDP (Spirol International Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-599-4858. Verify interchangeability with system specifications before substitution.
Key specifications for 125-0683MDP: Expanded Diameter: 0.130 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: COILED; Diameter: 0.125 INCHES NOMINAL IN. 7 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.