The Cover,access, cataloged under National Stock Number 5340-00-178-0698, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-178-0698 |
| Primary Part Number | 7972996 |
| 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 |
| FSC Application Data | TRAVERSING MECHANISM,TANK TURRET |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Inside Corner Radius | 0.062 INCHES NOMINAL IN |
| First Recess Inside Height | 0.750 INCHES NOMINAL IN |
| EAR Radius | 0.312 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Inverted Radius | 0.312 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Body Radius | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 1.875 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| Peripheral Shape Style | ROUND, THREE EARS AND HOLES |
| Material | IRON MALLEABLE |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Body Thickness | 0.250 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 |
|---|---|
| 7972996 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 7972996 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2520001780698 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 2520001780698 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5340-00-178-0698 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 5340-00-178-0698 has 2 manufacturer part numbers on file: 7972996 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 7972996 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7972996: FSC Application Data: TRAVERSING MECHANISM,TANK TURRET; Flange Thickness: 0.250 INCHES NOMINAL IN; Inside Corner Radius: 0.062 INCHES NOMINAL IN; First Recess Inside Height: 0.750 INCHES NOMINAL IN. 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.