The Cover,access, cataloged under National Stock Number 5340-00-445-4555, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-445-4555 |
| Primary Part Number | 8758248 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| FSC Application Data | DIFFERENTIAL,DRIVING AXLE |
| Flange Thickness | 0.188 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Inside Corner Radius | 0.125 INCHES NOMINAL IN |
| First Recess Inside Height | 0.250 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 5.750 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Inside Diameter | 3.500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Body Outside Radius | 0.313 INCHES NOMINAL IN |
| Outside Corner Radius | 0.125 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OR STEEL |
| Inside Angle | 45.0 DEGREES NOMINAL |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Body Thickness | 0.188 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 |
|---|---|
| 8758248 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3866D550 | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2520004454555 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5340-00-445-4555 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-445-4555 has 2 manufacturer part numbers on file: 8758248 (U S Army Tank Automotive Command Amsta-Im-Mm), 3866D550 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 8758248: FSC Application Data: DIFFERENTIAL,DRIVING AXLE; Flange Thickness: 0.188 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 8; Inside Corner Radius: 0.125 INCHES NOMINAL IN. 19 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.