The Pin,spring, cataloged under National Stock Number 5315-01-305-7675, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Apollo Aerospace Components Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-305-7675 |
| Primary Part Number | MS171658 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Apollo Aerospace Components Llc |
| Status | ACTIVE |
| Surface Finish | 80.0 MICROINCHES OUTSIDE DIAMETER |
| Style Designator | SLOTTED |
| Material Document and Classification | AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.250 INCHES NOMINAL IN |
| Material Thickness | 0.048 INCHES NOMINAL IN |
| Material | STEEL COMP 420 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 |
|---|---|
| MS171658 | Apollo Aerospace Components Llc (USA) |
| Reference | Meaning |
|---|---|
| 122-2422410 PC 175 | 5/1 Secondary reference U.S. Government activity |
| MS171658 | 2/2 Government specification standardization U.S. Government activity |
| 122-2422387 PC 175 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5315-01-305-7675 is a Pin,spring, manufactured by Apollo Aerospace Components Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-305-7675 has 1 manufacturer part number on file: MS171658 (Apollo Aerospace Components Llc).
Key specifications for MS171658: Surface Finish: 80.0 MICROINCHES OUTSIDE DIAMETER; Style Designator: SLOTTED; Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.250 INCHES NOMINAL IN. 6 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.