The Pin,spring, cataloged under National Stock Number 5315-01-657-7172, 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. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Pin,spring |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers (CAGE KCNE3); Spirol International Corporation (CAGE 00287); Nioa Trading Nioa Nominees Pty Limited Div Nioa (CAGE Z2C27) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-657-7172 |
| Primary Part Number | CLDP .078 X .437 H C Z |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Spirol International Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2400315 | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers (GBR) |
| CLDP .078 X .437 H C Z PRIMARY | Spirol International Corporation (USA) |
| 2400315 | Nioa Trading Nioa Nominees Pty Limited Div Nioa (AUS) |
| Reference | Meaning |
|---|---|
| 5315PL2093718 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2400315 | 5/9 Secondary reference Sig Sauer Inc. |
| 2400315-R | C/1 Advisory reference — outside the item-of-supply concept Sig Sauer Inc. |
NSN 5315-01-657-7172 is a Pin,spring, manufactured by Spirol International Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-657-7172 has 3 manufacturer part numbers on file: 2400315 (Ian Edgar (liverpool) Ltd, T/a Edgar Brothers), CLDP .078 X .437 H C Z (Spirol International Corporation), 2400315 (Nioa Trading Nioa Nominees Pty Limited Div Nioa).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5315-01-657-7172 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.