The Shaft,shouldered, cataloged under National Stock Number 3040-00-688-7948, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 12 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 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 | 3040-00-688-7948 |
| Primary Part Number | SP-2807-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT ACCESSORIES EQUIPMENT |
| Step Quantity | 1 |
| First End Diameter | 0.7470 INCHES NOMINAL IN |
| Largest Step Diameter | 0.747 INCHES NOMINAL IN |
| First End Slot Width | 0.1400 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND SLOTTED |
| End Similarity | IDENTICAL |
| First End Slot Depth | 1.1720 INCHES NOMINAL IN |
| First End Distance From End to Groove | 0.0300 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| First End Groove Width | 0.0938 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 |
|---|---|
| SP-2807-1 PRIMARY | Breeze-Eastern Llc (USA) |
| 0000280701 | Breeze-Eastern Llc (USA) |
NSN 3040-00-688-7948 is a Shaft,shouldered, manufactured by Breeze-Eastern Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-688-7948 has 2 manufacturer part numbers on file: SP-2807-1 (Breeze-Eastern Llc), 0000280701 (Breeze-Eastern Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-793-4711. Verify interchangeability with system specifications before substitution.
Key specifications for SP-2807-1: FSC Application Data: AIRCRAFT ACCESSORIES EQUIPMENT; Step Quantity: 1; First End Diameter: 0.7470 INCHES NOMINAL IN; Largest Step Diameter: 0.747 INCHES NOMINAL IN. 12 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.