The Collar,shaft, cataloged under National Stock Number 3040-01-396-1389, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-396-1389 |
| Primary Part Number | DAA7252G801-023 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Largest Diameter Length | 2.380 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Material Document and Classification | MIL-S-5000, COMP 4340, COND C4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Small End Diameter | 4.758 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN |
| Bore Diameter | 3.7500 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 |
| Thickness | 4.880 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 |
|---|---|
| DAA7252G801-023 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| DAA7252G801-023 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-396-1389 is a Collar,shaft, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-396-1389 has 1 manufacturer part number on file: DAA7252G801-023 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for DAA7252G801-023: Largest Diameter Length: 2.380 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Material Document and Classification: MIL-S-5000, COMP 4340, COND C4 MIL SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 5.250 INCHES NOMINAL 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.