The Cover,access, cataloged under National Stock Number 5340-00-126-0507, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-126-0507 |
| Primary Part Number | 3302290 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| FSC Application Data | BLOCK ASSY,DIESEL ENGINE |
| Flange Thickness | 0.688 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 4 |
| Inside Corner Radius | 0.188 INCHES NOMINAL IN |
| First Recess Inside Height | 0.188 INCHES NOMINAL IN |
| First Recess Diameter | 1.875 INCHES NOMINAL IN |
| Second Recess Inside Height | 0.906 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Inside Diameter | 1.188 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Body Outside Radius | 0.344 INCHES NOMINAL IN |
| Outside Corner Radius | 0.188 INCHES NOMINAL IN |
| Material | COPPER ALLOY AND IRON |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Body Thickness | 0.156 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 |
|---|---|
| 3302290 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3245535 | 5/9 Secondary reference Hatch & Kirk, Inc. |
| 3302290 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3301478 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3245535 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3301478 | 5/9 Secondary reference Hatch & Kirk, Inc. |
NSN 5340-00-126-0507 is a Cover,access, manufactured by Hatch & Kirk, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-126-0507 has 1 manufacturer part number on file: 3302290 (Hatch & Kirk, Inc.).
Key specifications for 3302290: FSC Application Data: BLOCK ASSY,DIESEL ENGINE; Flange Thickness: 0.688 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 4; Inside Corner Radius: 0.188 INCHES NOMINAL IN. 19 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.