The Pin,spring, cataloged under National Stock Number 5315-00-721-8366, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Defence Clothing Team, Team Leidos. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-721-8366 |
| Primary Part Number | PS187-0687CRSF040 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Defence Clothing Team, Team Leidos |
| Status | ACTIVE |
| Hardness Rating | 82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.188 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 410 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 |
|---|---|
| PS187-0687CRSF040 | Defence Clothing Team, Team Leidos (GBR) |
| 0740683 | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE) |
| 31S187-0687 | Unbrako (a Division of S P S Technologies Ltd) (GBR) |
| Reference | Meaning |
|---|---|
| MS171589 | 2/2 Government specification standardization U.S. Government activity |
NSN 5315-00-721-8366 is a Pin,spring, manufactured by Defence Clothing Team, Team Leidos, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-721-8366 has 3 manufacturer part numbers on file: PS187-0687CRSF040 (Defence Clothing Team, Team Leidos), 0740683 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels), 31S187-0687 (Unbrako (a Division of S P S Technologies Ltd)).
Key specifications for PS187-0687CRSF040: Hardness Rating: 82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL; Style Designator: SLOTTED; Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.188 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.