The Block,rubber, cataloged under National Stock Number 3010-00-586-2745, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-586-2745 |
| Primary Part Number | B3073C |
| Item Name | Block,rubber |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| General Characteristics Item Description | BLACK SYNTHETIC RUBBER,2.656 INCH LG,1.375 INCH W,0.750 INCH H. 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 |
|---|---|
| B3073C PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| B3073A | Marine & Industrial Transmissions Ltd (GBR) |
| Reference | Meaning |
|---|---|
| B3073A | 5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| B3073A | 5/9 Secondary reference Twin Disc International S a |
NSN 3010-00-586-2745 is a Block,rubber, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-586-2745 has 2 manufacturer part numbers on file: B3073C (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), B3073A (Marine & Industrial Transmissions Ltd).
Key specifications for B3073C: General Characteristics Item Description: BLACK SYNTHETIC RUBBER,2.656 INCH LG,1.375 INCH W,0.750 INCH H. IN. 1 specification is 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.