The Shaft,shouldered, cataloged under National Stock Number 3040-01-499-3078, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-499-3078 |
| Primary Part Number | B-801-12755-4 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 22100 ITEM 4 PN B-801-12755-4 | B.w. Elliott Manufacturing Co., Llc (USA) |
| B-801-12755-4 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| B-830-22100 | D/9 Drawing number reference only B.w. Elliott Manufacturing Co., Llc |
NSN 3040-01-499-3078 is a Shaft,shouldered, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-499-3078 has 2 manufacturer part numbers on file: 22100 ITEM 4 PN B-801-12755-4 (B.w. Elliott Manufacturing Co., Llc), B-801-12755-4 (B.w. Elliott Manufacturing Co., Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-499-3095. Verify interchangeability with system specifications before substitution.
Key specifications for B-801-12755-4: Special Features: 5/8-11 UNC 2A THREADED END; 0.750 IN. SQ. LARGE END WITH 3/4 IN. TAPER PER FOOT A; Part Name Assigned by Controlling Agency: INDICATOR SPINDLE; End Item Identification: NIMITZ CLASS CVN, REMOTE OPERATING STATION; Material: STEEL COMP 303. 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.