The Pin,spring, cataloged under National Stock Number 5315-00-889-2563, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Unbrako (a Division of S P S Technologies Ltd). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-889-2563 |
| Primary Part Number | 23-S-250-0937 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Unbrako (a Division of S P S Technologies Ltd) |
| Status | ACTIVE |
| Surface Finish | 80.0 MICROINCHES OUTSIDE DIAMETER |
| Surface Treatment Document and Classification | AMS 2400-2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | AMS 5120 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5121 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Diameter | 0.250 INCHES NOMINAL IN |
| Material Thickness | 0.048 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1074 OR 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 |
|---|---|
| 23-S-250-0937 | Unbrako (a Division of S P S Technologies Ltd) (GBR) |
| PS250-0937STCP048 | Defence Clothing Team, Team Leidos (GBR) |
| Reference | Meaning |
|---|---|
| MS9048-231 | 2/2 Government specification standardization U.S. Government activity |
NSN 5315-00-889-2563 is a Pin,spring, manufactured by Unbrako (a Division of S P S Technologies Ltd), classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-889-2563 has 2 manufacturer part numbers on file: 23-S-250-0937 (Unbrako (a Division of S P S Technologies Ltd)), PS250-0937STCP048 (Defence Clothing Team, Team Leidos).
Key specifications for 23-S-250-0937: Surface Finish: 80.0 MICROINCHES OUTSIDE DIAMETER; Surface Treatment Document and Classification: AMS 2400-2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SLOTTED; Material Document and Classification: AMS 5120 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5121 ASSN STD 2ND 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.