The Shaft,shouldered, cataloged under National Stock Number 3040-01-443-0389, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-443-0389 |
| Primary Part Number | 1173-00-A-01 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Material Document and Classification | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 1173-00-A-01 PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 1173-00-B PC 4 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
NSN 3040-01-443-0389 is a Shaft,shouldered, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-443-0389 has 2 manufacturer part numbers on file: 1173-00-A-01 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 1173-00-B PC 4 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 1173-00-A-01: Material Document and Classification: ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 25.000 INCHES NOMINAL IN; End Item Identification: W/S STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: STEEL COMP 304. 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.