The Cover,access, cataloged under National Stock Number 5340-00-341-9190, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 13 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-341-9190 |
| Primary Part Number | 7771780 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| FSC Application Data | GUN CARRIAGE,40MM MM |
| EAR Radius | 0.250 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT W/OPEN CENTER |
| Inverted Radius | 0.125 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Body Radius | 1.500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 3.000 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| Peripheral Shape Style | ROUND, FOUR EARS AND HOLES |
| Material | STEEL |
| Hole Diameter | 0.219 INCHES NOMINAL IN |
| Body Thickness | 0.090 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 |
|---|---|
| 7771780 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5340-00-341-9190 is a Cover,access, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-341-9190 has 1 manufacturer part number on file: 7771780 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-396-5197. Verify interchangeability with system specifications before substitution.
Key specifications for 7771780: FSC Application Data: GUN CARRIAGE,40MM MM; EAR Radius: 0.250 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT W/OPEN CENTER. 13 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.