The Spider,differential, cataloged under National Stock Number 3040-00-528-0527, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-528-0527 |
| Primary Part Number | 6318744 |
| Item Name | Spider,differential |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Hub Outside Diameter | 4.420 INCHES MINIMUM AND 4.424 INCHES MAXIMUM IN |
| Hub Bore Diameter | 2.750 INCHES NOMINAL IN |
| Arm Length | 2.240 INCHES MINIMUM AND 2.243 INCHES MAXIMUM IN |
| Length Across Arms | 8.900 INCHES MINIMUM AND 8.910 INCHES MAXIMUM IN |
| Arm Diameter | 0.937 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Hub Thickness | 1.938 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 |
|---|---|
| 6318744 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 6318744 | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 3040-00-528-0527 is a Spider,differential, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-528-0527 has 1 manufacturer part number on file: 6318744 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 6318744: Hub Outside Diameter: 4.420 INCHES MINIMUM AND 4.424 INCHES MAXIMUM IN; Hub Bore Diameter: 2.750 INCHES NOMINAL IN; Arm Length: 2.240 INCHES MINIMUM AND 2.243 INCHES MAXIMUM IN; Special Features: 0.0937 IN.BY 45 DEG CHAMFER ON 1 SIDE OF BORE,OTHER SIDE COUNTERBORED 3.626 IN.DIA BY 1.375 IN.DEEP WITH A 7 DEG TAPER;LUBRICATION MODE:IN LUBRICANT;MATERIAL:STEEL,SAE 3135 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.