The Collar,shaft, cataloged under National Stock Number 3040-00-770-1738, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-770-1738 |
| Primary Part Number | 104E52 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 3.750 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.3750 INCHES NOMINAL SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Bore Diameter | 2.4390 INCHES MINIMUM AND 2.4420 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Thickness | 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM 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 |
|---|---|
| 104E52 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
| 7701738 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 256164 | 5/9 Secondary reference Brockway Motor Trucks Div of Mack Trucks Inc |
| 104E52 | 5/9 Secondary reference At and T Corp |
NSN 3040-00-770-1738 is a Collar,shaft, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-770-1738 has 2 manufacturer part numbers on file: 104E52 (Fwd Seagrave Holdings Lp), 7701738 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 104E52: Securing Hole Type and Location: UNTHREADED SINGLE HOLE; Style Designator: PLAIN ROUND; Outside Diameter: 3.750 INCHES NOMINAL IN; Hole Diameter and Location: 0.3750 INCHES NOMINAL SINGLE HOLE IN. 8 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.