The Pin,spring, cataloged under National Stock Number 5315-00-285-2735, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 8 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-285-2735 |
| Primary Part Number | 31-S-250-0750 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 80.0 MICROINCHES SHANK END |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN |
| Material Thickness | 0.048 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 |
|---|---|
| 31-S-250-0750 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BA98203-112 | 5/9 Secondary reference Harvard Industries Inc |
| BA98203-112 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 79-048-250-0750 | 5/9 Secondary reference Harvard Industries Inc |
| MS171650 | 2/2 Government specification standardization U.S. Government activity |
| MS9047-228 | 5/9 Secondary reference U.S. Government activity |
| BA98203-112 | 5/9 Secondary reference At and T Corp |
| P619-48 | 5/1 Secondary reference Maremont Corp |
NSN 5315-00-285-2735 is a Pin,spring, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-285-2735 has 1 manufacturer part number on file: 31-S-250-0750 (Sps Technologies, Llc Dba PB Fasteners).
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-844-0342, 5315-00-953-0717. Verify interchangeability with system specifications before substitution.
Key specifications for 31-S-250-0750: Surface Finish: 80.0 MICROINCHES SHANK END; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Material Document and Classification: AMS 5506 ASSN STD 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.