The Key,machine, cataloged under National Stock Number 5315-01-277-9972, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-277-9972 |
| Primary Part Number | 243-6283490-16 DETAIL 10A |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Radius | 0.123 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Mounting Hole Type and Quantity | 4 PLAIN AND 1 UNTHREADED-COUNTERBORED |
| Round End Length | 0.344 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 |
|---|---|
| 243-6283490-16 DETAIL 10A PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 243-6283490-16D ET.10A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-277-9972 is a Key,machine, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-277-9972 has 1 manufacturer part number on file: 243-6283490-16 DETAIL 10A (Naval Sea Systems Command).
Key specifications for 243-6283490-16 DETAIL 10A: Overall Height: 0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Radius: 0.123 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN; Mounting Hole Type and Quantity: 4 PLAIN AND 1 UNTHREADED-COUNTERBORED; Overall Length: 7.500 INCHES NOMINAL IN. 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.