The Clamp,hub, cataloged under National Stock Number 3040-00-264-2659, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astro Machine Co Inc Div Astro Machine Company. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-264-2659 |
| Primary Part Number | 3271453 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Astro Machine Co Inc Div Astro Machine Company |
| Status | ACTIVE |
| Supplementary Features | O/A DIMENSIONS IN INCHES: 1.560 L,1.420W,0.190H W |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 3271453 PRIMARY | Astro Machine Co Inc Div Astro Machine Company (USA) |
| Reference | Meaning |
|---|---|
| 3883780 | 5/9 Secondary reference Artcraft Machine Corp. Dba Artcraft Machine Corp. |
| 3271453-1 | 5/9 Secondary reference U.S. Government activity |
| 3271453 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-00-264-2659 is a Clamp,hub, manufactured by Astro Machine Co Inc Div Astro Machine Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-264-2659 has 1 manufacturer part number on file: 3271453 (Astro Machine Co Inc Div Astro Machine Company).
2 possible matches (shared part number, not a government interchangeability claim): 5841-00-264-2959, 4720-01-655-4252. Verify interchangeability with system specifications before substitution.
Key specifications for 3271453: Supplementary Features: O/A DIMENSIONS IN INCHES: 1.560 L,1.420W,0.190H W; Material: STEEL CORROSION RESISTING. 2 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.