The Cover,access, cataloged under National Stock Number 5340-00-178-0986, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-178-0986 |
| Primary Part Number | 11617780 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Thickness | 0.180 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | MIL-A-21180 MIL SPEC ALL MATERIAL RESPONSES |
| Cross-Sectional Shape Style | FLAT, SQUARE OR RECTANGULAR RIB REINFORCED |
| Outside Diameter | 6.370 INCHES MINIMUM AND 6.430 INCHES MAXIMUM IN |
| Securing Device Type | SPECIAL |
| Bolt Circle Diameter | 5.900 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY A356.0 |
| Hole Diameter | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Body Thickness | 0.620 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 |
| Part Number | Manufacturer |
|---|---|
| 11617780 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-00-178-0986 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-178-0986 has 1 manufacturer part number on file: 11617780 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11617780: Flange Thickness: 0.180 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 8; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: MIL-A-21180 MIL SPEC ALL MATERIAL RESPONSES. 12 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.