The Collar,shaft, cataloged under National Stock Number 3040-00-455-1180, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-455-1180 |
| Primary Part Number | 6306-3 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Bore Diameter | 1.6870 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.637 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 |
NSN 3040-00-455-1180 is a Collar,shaft, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-455-1180 has 2 manufacturer part numbers on file: 6316 (Beta Fueling Systems, Llc), 6306-3 (Pdi Ground Support Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-065-1993. Verify interchangeability with system specifications before substitution.
Key specifications for 6306-3: Style Designator: PLAIN ROUND; Outside Diameter: 2.125 INCHES NOMINAL IN; Special Features: 1.650 IN. DIA BORE 0.445 IN. DP COUNTERBORE IN; Bore Diameter: 1.6870 INCHES NOMINAL IN. 5 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.