The Key,machine, cataloged under National Stock Number 5315-00-231-7028, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-231-7028 |
| Primary Part Number | BS4-1867PC20 |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Starting Edge Shape | STRAIGHT |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | NICKEL ALLOY 400 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 |
|---|---|
| BS4-1867PC20 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| W244990PC11 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 212-47-01PC10 | 3/2 Design control — primary reference U.S. Government activity |
| W244990PC11 | 5/9 Secondary reference U.S. Government activity |
| 212-47-3PC10 | 3/2 Design control — primary reference U.S. Government activity |
| W244990PC11 | 5/9 Secondary reference Ingersoll Rand Co |
| 11A9Y78 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-00-231-7028 is a Key,machine, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-231-7028 has 2 manufacturer part numbers on file: BS4-1867PC20 (Circor Naval Solutions Llc Dba Warren Pumps), W244990PC11 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for BS4-1867PC20: Overall Height: 0.250 INCHES NOMINAL IN; Starting Edge Shape: STRAIGHT; Style Designator: PLAIN; Material Document and Classification: MIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 4 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.