The Cover,access, cataloged under National Stock Number 5340-01-423-0881, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-423-0881 |
| Primary Part Number | 12377755-1 |
| 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 | 0.250 INCHES NOMINAL IN |
| Length | 6.750 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 3.000 INCHES NOMINAL IN |
| Hole Quantity Along Length | 4 |
| Corner Bevel Length | 0.250 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 3.000 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Features Provided | SPECIAL MARKING |
| Securing Device Type | SPECIAL |
| Hole Quantity Along Width | 8 |
| Distance From First Hole Centerline to End Along Length | 1.880 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 13.130 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 5052 |
| Hole Diameter | 0.220 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12377755-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12377755 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12377755-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 5340-01-423-0881 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-423-0881 has 1 manufacturer part number on file: 12377755-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12377755-1: Distance From First Hole Centerline to End Along Width: 0.250 INCHES NOMINAL IN; Length: 6.750 INCHES NOMINAL IN; Distance Between Holes Along Length: 3.000 INCHES NOMINAL IN; Hole Quantity Along Length: 4. 18 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.