The Block Clamp, cataloged under National Stock Number 3040-01-139-1729, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-139-1729 |
| Primary Part Number | ST80043-08 |
| Item Name | Block Clamp |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY; 1/2X1 1/8X3 5/8 IN. IN |
| 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 |
|---|---|
| ST80043-08 PRIMARY | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| Reference | Meaning |
|---|---|
| L-ST-80043 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| L-ST-80043 | D/9 Drawing number reference only Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| ST80043-08 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 3040-01-139-1729 is a Block Clamp, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-139-1729 has 1 manufacturer part number on file: ST80043-08 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).
Key specifications for ST80043-08: General Characteristics Item Description: ALUMINUM ALLOY; 1/2X1 1/8X3 5/8 IN. IN. 1 specification is 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.