The Pin,spring, cataloged under National Stock Number 5315-00-421-3498, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 6 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. 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 | 5315-00-421-3498 |
| Primary Part Number | 31-0226-1 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SLOTTED |
| Diameter | 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL 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 |
|---|---|
| 31-0226-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5315-00-421-3498 is a Pin,spring, manufactured by Grimes Aerospace Company, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-421-3498 has 1 manufacturer part number on file: 31-0226-1 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-071-4984. Verify interchangeability with system specifications before substitution.
Key specifications for 31-0226-1: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SLOTTED; Diameter: 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN; Overall Length: 0.338 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN. 6 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.