The Cover,access, cataloged under National Stock Number 5340-01-381-3937, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-381-3937 |
| Primary Part Number | 12420191 |
| 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 | 56.1 MILLIMETERS NOMINAL MM |
| Corner Radius | 12.7 MILLIMETERS NOMINAL MM |
| Length | 103.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | MIL-P-14105 MIL SPEC SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| First Recess Inside Height | 100.0 MILLIMETERS NOMINAL MM |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | ASTMA36 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA569 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECESS, SAME SHAPE AS THE PERIPHERY |
| Securing Device Type | SPECIAL |
| Distance From First Hole Centerline to End Along Length | 51.6 MILLIMETERS NOMINAL MM |
| Surface Treatment | PAINT |
| Peripheral Shape Style | RECTANGLE, ONE CENTER HOLE |
| Width | 103.0 MILLIMETERS NOMINAL MM |
| Material | STEEL |
| Hole Diameter | 28.6 MILLIMETERS NOMINAL MM |
| Body Thickness | 0.125 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 |
NSN 5340-01-381-3937 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-381-3937 has 3 manufacturer part numbers on file: 12420191 (U S Army Tank Automotive Command Amsta-Im-Mm), 12420191 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12420191 (Amz Alabama Inc.).
Key specifications for 12420191: Distance From First Hole Centerline to End Along Width: 56.1 MILLIMETERS NOMINAL MM; Corner Radius: 12.7 MILLIMETERS NOMINAL MM; Length: 103.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: MIL-P-14105 MIL SPEC SINGLE TREATMENT RESPONSE. 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.