The Cover,access, cataloged under National Stock Number 5340-00-545-0263, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-545-0263 |
| Primary Part Number | 6B7939 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.500 INCHES NOMINAL IN |
| FSC Application Data | TRANSMISSION CASE,CRAWLER TRACTOR |
| Corner Radius | 0.500 INCHES NOMINAL IN |
| Length | 9.750 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 8.750 INCHES NOMINAL IN |
| Flange Thickness | 0.078 INCHES NOMINAL IN |
| First Recess Inside Height | 0.656 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 6.500 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Securing Device Type | THREADED FASTENER |
| Inside Diameter | 6.000 INCHES NOMINAL IN |
| Distance From First Hole Centerline to End Along Length | 0.500 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 7.500 INCHES NOMINAL IN |
| Material | STEEL |
| Hole Diameter | 0.438 INCHES NOMINAL IN |
| Body Thickness | 0.078 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 |
| Part Number | Manufacturer |
|---|---|
| 6B7939 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5340-00-545-0263 is a Cover,access, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-545-0263 has 1 manufacturer part number on file: 6B7939 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 6B7939: Distance From First Hole Centerline to End Along Width: 0.500 INCHES NOMINAL IN; FSC Application Data: TRANSMISSION CASE,CRAWLER TRACTOR; Corner Radius: 0.500 INCHES NOMINAL IN; Length: 9.750 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.