The Pin,spring, cataloged under National Stock Number 5315-00-582-3170, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Ipeco Holdings Limited. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-582-3170 |
| Primary Part Number | 1A500-0077 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Ipeco Holdings Limited |
| Status | ACTIVE |
| Expanded Diameter | 0.130 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | COILED |
| Material Document and Classification | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.125 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1095 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 |
|---|---|
| 1A500-0077 | Ipeco Holdings Limited (GBR) |
| 1A500-77 | Unbrako (a Division of S P S Technologies Ltd) (GBR) |
| Reference | Meaning |
|---|---|
| 1A500-0077 | 5/1 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS561PF4-8 | 5/9 Secondary reference U.S. Government activity |
| MS39086-41 | 2/2 Government specification standardization U.S. Government activity |
NSN 5315-00-582-3170 is a Pin,spring, manufactured by Ipeco Holdings Limited, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-582-3170 has 2 manufacturer part numbers on file: 1A500-0077 (Ipeco Holdings Limited), 1A500-77 (Unbrako (a Division of S P S Technologies Ltd)).
Key specifications for 1A500-0077: Expanded Diameter: 0.130 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: COILED; Material Document and Classification: MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.