The Pin,spring, cataloged under National Stock Number 5315-00-993-3247, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-993-3247 |
| Primary Part Number | 125-0750MDP |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Spirol International Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Expanded Diameter | 0.131 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Style Designator | COILED |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.125 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| 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 |
|---|---|
| 1/8 X 3/4MDP | Spirol International Corporation (USA) |
| 125-0750MDP PRIMARY | Spirol International Corporation (USA) |
| Reference | Meaning |
|---|---|
| MS51923-291 | 3/2 Design control — primary reference U.S. Government activity |
| MS51923-291 | 5/9 Secondary reference U.S. Government activity |
| 21128-00347 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5315-00-993-3247 is a Pin,spring, manufactured by Spirol International Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-993-3247 has 2 manufacturer part numbers on file: 1/8 X 3/4MDP (Spirol International Corporation), 125-0750MDP (Spirol International Corporation).
Key specifications for 125-0750MDP: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Expanded Diameter: 0.131 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Style Designator: COILED; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 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.