The Disc,brake, cataloged under National Stock Number 3040-01-512-1744, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eskridge, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-512-1744 |
| Primary Part Number | 90B2B5G047B |
| Item Name | Disc,brake |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eskridge, Inc. |
| Status | ACTIVE |
| Overall Diameter | 6.810 INCHES NOMINAL IN |
| Material | STEEL AND COPPER ALLOY |
| 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 |
|---|---|
| 7D3-07599 REV H ITEM 36 | Lake Shore Systems, Inc. (USA) |
| 90B2B5G047B PRIMARY | Eskridge, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7D3-07599 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3040-01-512-1744 is a Disc,brake, manufactured by Eskridge, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-512-1744 has 2 manufacturer part numbers on file: 7D3-07599 REV H ITEM 36 (Lake Shore Systems, Inc.), 90B2B5G047B (Eskridge, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-512-1789, 4320-01-512-9123. Verify interchangeability with system specifications before substitution.
Key specifications for 90B2B5G047B: Overall Height: 6.130 INCHES NOMINAL IN; Overall Diameter: 6.810 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: 90B SERIES MULTIPLE DISC BRAKE; End Item Identification: CONSTANT TENSION WINCH ASSEMBLY. 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.