The Lining,friction, cataloged under National Stock Number 3040-00-640-3744, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3040-00-640-3744 |
| Primary Part Number | A3507E |
| Item Name | Lining,friction |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | CANCELLED |
| Minor Diameter | 3.625 INCHES MINIMUM AND 3.640 INCHES MAXIMUM IN |
| Surface Condition and Location | BOTH SIDES GROUND |
| Fabrication Method | MOLDED |
| Major Diameter | 7.235 INCHES MINIMUM AND 7.250 INCHES MAXIMUM IN |
| Lining Style | EXTERNAL TOOTH CLUTCH DISK |
| Teeth Quantity | 30 |
| FSC Application Data | CLUTCHE,FRICTION,MULTIAPPLICATION |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 61208 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Application Type | DRY |
| Thickness | 0.375 INCHES NOMINAL IN |
| Features Provided | RIGID FRICTION LINING |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6B4049 | Caterpillar Inc Div Caterpillar Defense (USA) |
| E280130 | Bros Inc |
| A3507S | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 4-22-28 | Lister Petter Americas Incorporated (USA) |
| A3507S | Link-Belt Cranes, L.p., Lllp (USA) |
| A3507S | Fmc Corp Link-Belt Div (USA) |
| NP5024006 | Barber-Greene Co (USA) |
| A3507S | Amf Inc Amf York Div (USA) |
| 6B4049 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 70212 | Little Giant Crane and Shovel Inc (USA) |
| A3507E PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 263707R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| NP5024006 | Minnpar, Llc Dba Minnpar (USA) |
NSN 3040-00-640-3744 is a Lining,friction, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3040 (No Item Name Available). Status: cancelled.
NSN 3040-00-640-3744 has 13 cross-referenced part numbers: 6B4049 (Caterpillar Inc Div Caterpillar Defense), E280130 (Bros Inc), A3507S (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 4-22-28 (Lister Petter Americas Incorporated), A3507S (Link-Belt Cranes, L.p., Lllp) and 8 more.
There are 12 known substitutes for 3040-00-640-3744: 5133-00-227-5992, 5360-00-466-2475, 4820-00-716-4001 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A3507E: Minor Diameter: 3.625 INCHES MINIMUM AND 3.640 INCHES MAXIMUM IN; Surface Condition and Location: BOTH SIDES GROUND; Fabrication Method: MOLDED; End Item Identification: GRUMMAN AEROSPACE A-10 AIRCRAFT. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 3040-00-640-3744 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.