The Pin,spring, cataloged under National Stock Number 5315-00-143-9147, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Dresser, 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 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 | 5315-00-143-9147 |
| Primary Part Number | 28304 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | ASTM B194-15 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.188 INCHES NOMINAL IN |
| Material Thickness | 0.042 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 |
|---|---|
| 28304 PRIMARY | Dresser, Llc (USA) |
NSN 5315-00-143-9147 is a Pin,spring, manufactured by Dresser, Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-143-9147 has 1 manufacturer part number on file: 28304 (Dresser, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4330-01-084-5368, 5330-01-186-1140, 4730-01-707-1865. Verify interchangeability with system specifications before substitution.
Key specifications for 28304: Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Material Document and Classification: ASTM B194-15 ASSN STD ALL MATERIAL RESPONSES OVERALL; Diameter: 0.188 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.