The Collar,shaft, cataloged under National Stock Number 3040-01-018-0282, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hersey Measurement Co Div of Miller Industries Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-018-0282 |
| Primary Part Number | 603779001 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hersey Measurement Co Div of Miller Industries Inc |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.094 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 |
|---|---|
| 603779001 PRIMARY | Hersey Measurement Co Div of Miller Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 4005506 | 5/9 Secondary reference Hersey Measurement Co Div of Miller Industries Inc |
NSN 3040-01-018-0282 is a Collar,shaft, manufactured by Hersey Measurement Co Div of Miller Industries Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-018-0282 has 1 manufacturer part number on file: 603779001 (Hersey Measurement Co Div of Miller Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-204-6516. Verify interchangeability with system specifications before substitution.
Key specifications for 603779001: Style Designator: PLAIN ROUND; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 1.125 INCHES NOMINAL IN; Bore Diameter: 0.5000 INCHES NOMINAL IN. 6 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.