The Lining,friction, cataloged under National Stock Number 3040-01-293-2858, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-293-2858 |
| Primary Part Number | GA-1175B |
| Item Name | Lining,friction |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Circular Pattern Hole Type and Quantity | 2 COUNTERSUNK INNER SECURING CIRCLE |
| Circular Pattern Hole Type and Quantity | 4 COUNTERSUNK OUTER SECURING CIRCLE |
| Hole Arrangement Style | STAGGERED |
| Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Lining Style | RECTANGULAR BLOCK PLAIN |
| Attachment Method | RIVETED |
| Width | 1.500 INCHES NOMINAL IN |
| Material | LEATHER FRICTION LINING |
| Thickness | 0.250 INCHES NOMINAL IN |
| Hole Type and Quantity | 6 COUNTERSUNK |
| 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 |
|---|---|
| GA-1175B PRIMARY | Siemens Energy, Inc. (USA) |
| H-2797 PIECE 84 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H-2797 | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 3040-01-293-2858 is a Lining,friction, manufactured by Siemens Energy, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-293-2858 has 2 manufacturer part numbers on file: GA-1175B (Siemens Energy, Inc.), H-2797 PIECE 84 (Siemens Energy, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-294-1804. Verify interchangeability with system specifications before substitution.
Key specifications for GA-1175B: Circular Pattern Hole Type and Quantity: 2 COUNTERSUNK INNER SECURING CIRCLE; Circular Pattern Hole Type and Quantity: 4 COUNTERSUNK OUTER SECURING CIRCLE; Hole Arrangement Style: STAGGERED; Mounting Hole Diameter: 0.188 INCHES NOMINAL IN. 10 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.