The Collar,shaft, cataloged under National Stock Number 3040-00-052-0279, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 13 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 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 | 3040-00-052-0279 |
| Primary Part Number | 8616071 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES BOTH BEARING FLATS |
| Surface Finish | 32 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 125 MICROINCHES OUTSIDE PERIPHERY |
| Criticality Code Justification | ABXV |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.1090 INCHES NOMINAL SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.4378 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.375 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 8616071 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3040-00-052-0279 is a Collar,shaft, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-052-0279 has 1 manufacturer part number on file: 8616071 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-117-6396. Verify interchangeability with system specifications before substitution.
Key specifications for 8616071: Surface Finish: 125 MICROINCHES BOTH BEARING FLATS; Surface Finish: 32 MICROINCHES INSIDE PERIPHERY; Surface Finish: 125 MICROINCHES OUTSIDE PERIPHERY; Criticality Code Justification: ABXV. 13 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.