The Brake Shoe, cataloged under National Stock Number 3040-01-437-8045, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Direct Line, Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-437-8045 |
| Primary Part Number | 4170585 |
| Item Name | Brake Shoe |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Direct Line, Inc |
| Status | ACTIVE |
| Drum Diameter for Which Designed | 7.000 INCHES NOMINAL 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 |
|---|---|
| 4170585 PRIMARY | Direct Line, Inc (USA) |
| Reference | Meaning |
|---|---|
| 30131-40001 | D/9 Drawing number reference only U.S. Government activity |
| BX317586 | 3/9 Design control — primary reference Allied Automotive Allied Aftermarket Div |
| 37918-40001 PC 66 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 30131-40001 ITEM 66 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-437-8045 is a Brake Shoe, manufactured by Direct Line, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-437-8045 has 1 manufacturer part number on file: 4170585 (Direct Line, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-584-3401. Verify interchangeability with system specifications before substitution.
Key specifications for 4170585: Special Features: USED ON 7 IN. BRAKE, BRIDGE CRANE 12,000 LB CAP, HAND OPERATED AVIATION ENGINE SHOP, ALLIED AUTOMOTIVE LBS; Drum Diameter for Which Designed: 7.000 INCHES NOMINAL IN; End Item Identification: WEAPONS SYSTEM NIMITZ CLASS CVN. 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.