The Pin,spring, cataloged under National Stock Number 5315-01-259-0314, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-259-0314 |
| Primary Part Number | 21-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 |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Diameter | 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Material | 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 |
|---|---|
| JB1-1/4X12 | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| 21-S-250-0750 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 1-4 X 12 | C/1 Advisory reference — outside the item-of-supply concept Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| 01-515-0007-4-58 | C/1 Advisory reference — outside the item-of-supply concept Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
NSN 5315-01-259-0314 is a Pin,spring, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-259-0314 has 2 manufacturer part numbers on file: JB1-1/4X12 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 21-S-250-0750 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 21-S-250-0750: Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Diameter: 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN; Overall Length: 0.750 INCHES NOMINAL IN. 5 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.