The Hub,body, cataloged under National Stock Number 3040-01-139-9900, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-139-9900 |
| Primary Part Number | 12313010 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shoulder Width | 2.370 INCHES NOMINAL IN |
| Hub Inside Diameter | 2.240 INCHES NOMINAL IN |
| Style Designator | SINGLE HUB W/ SECURING HOLE(S) |
| Distance From First End Hub to Shoulder | 2.460 INCHES NOMINAL IN |
| Material | IRON |
| Shoulder Outside Diameter | 8.480 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 3.263 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 |
|---|---|
| 12313010 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12313010 | 5/9 Secondary reference Kasel Mfg Co |
NSN 3040-01-139-9900 is a Hub,body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-139-9900 has 1 manufacturer part number on file: 12313010 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12313010: Shoulder Width: 2.370 INCHES NOMINAL IN; Hub Inside Diameter: 2.240 INCHES NOMINAL IN; Style Designator: SINGLE HUB W/ SECURING HOLE(S); Special Features: SECURING HOLE QTY:2;ANGLE BETWEEN CENTERLINES IN SECURING HOLES IN DEG:180.0 DEGS;O/A LENGTH:4.830 IN.NOM;SECURING HOLE SIZE:NO.2(0.375-16 IN.UNC-2B IN. 7 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.