The Cover,access, cataloged under National Stock Number 5340-00-752-1439, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-752-1439 |
| Primary Part Number | 7521439 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.625 INCHES NOMINAL IN |
| FSC Application Data | TRANSFER TRANSMISSION,TRUCK |
| Length | 5.125 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 3.688 INCHES NOMINAL IN |
| Flange Thickness | 0.438 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 4 |
| Inside Corner Radius | 2.500 INCHES NOMINAL IN |
| First Recess Inside Height | 1.125 INCHES NOMINAL IN |
| EAR Radius | 0.469 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Securing Device Type | THREADED FASTENER |
| Body Radius | 2.563 INCHES NOMINAL IN |
| Inside Diameter | 3.375 INCHES NOMINAL IN |
| Distance From First Hole Centerline to End Along Length | 0.750 INCHES NOMINAL IN |
| Width | 4.313 INCHES NOMINAL IN |
| Material | IRON CAST |
| Body Thickness | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 7521439 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3866E525 | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 706T5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 913659 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 2520007521439 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5340-00-752-1439 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-752-1439 has 2 manufacturer part numbers on file: 7521439 (U S Army Tank Automotive Command Amsta-Im-Mm), 3866E525 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 7521439: Distance From First Hole Centerline to End Along Width: 0.625 INCHES NOMINAL IN; FSC Application Data: TRANSFER TRANSMISSION,TRUCK; Length: 5.125 INCHES NOMINAL IN; Distance Between Holes Along Length: 3.688 INCHES NOMINAL IN. 17 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.