The Cover,access, cataloged under National Stock Number 5340-01-334-0021, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 14 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-334-0021 |
| Primary Part Number | 12918998 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 171 MIL STD SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.190 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 4 |
| First Recess Inside Height | 0.930 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Securing Device Type | SPECIAL |
| Inside Diameter | 1.720 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC EPOXY |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL |
| Hole Diameter | 0.260 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Body Thickness | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12918998 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5340-01-334-0021 is a Cover,access, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-334-0021 has 1 manufacturer part number on file: 12918998 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12918998: Surface Treatment Document and Classification: 171 MIL STD SINGLE TREATMENT RESPONSE; Flange Thickness: 0.190 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 4; First Recess Inside Height: 0.930 INCHES NOMINAL IN. 14 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.
NSN 5340-01-334-0021 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.