The Chuck,independent Jaw, cataloged under National Stock Number 3460-01-495-8610, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3460-01-495-8610 |
| Primary Part Number | 581-6985420-4 |
| Item Name | Chuck,independent Jaw |
| FSC / FSG | 3460 / 34 — Machine Tool Accessories |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Two-Piece Jaws with Reversible Tops | NOT INCLUDED |
| Jaw Quantity | 1 |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 581-6985420-4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H611-1404 | D/9 Drawing number reference only U.S. Government activity |
| H611-1404-4 | 5/2 Secondary reference U.S. Government activity |
| 6985420 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3460-01-495-8610 is a Chuck,independent Jaw, manufactured by Naval Sea Systems Command, classified under FSC 3460, Machine Tool Accessories. Status: active.
NSN 3460-01-495-8610 has 1 manufacturer part number on file: 581-6985420-4 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-496-1364. Verify interchangeability with system specifications before substitution.
Key specifications for 581-6985420-4: Two-Piece Jaws with Reversible Tops: NOT INCLUDED; Jaw Quantity: 1; Special Features: BAR, FLAT, HOT FINISHED; 5.000 THK X 8.000 W; END ITEM IS AN ANCHOR AND ANCHOR CHAIN SECURING MECHANISM FOR THE LOS ANGELES CLASS SSN (688) W; Material: STEEL CORROSION RESISTING BODY. 3 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.