The Cover,access, cataloged under National Stock Number 5340-01-057-4141, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Granco Manufacturing Inc. Div Granco Pump. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-057-4141 |
| Primary Part Number | DK-PN-33 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Granco Manufacturing Inc. Div Granco Pump |
| Status | ACTIVE |
| Flange Thickness | 0.312 INCHES NOMINAL IN |
| First Recess Inside Height | 1.562 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 2.484 INCHES NOMINAL IN |
| Bolt Hole Centerline to Nearest Edge Distance | 1.242 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, ONE HOLE |
| Material | COPPER ALLOY |
| Hole Diameter | 0.125 INCHES NOMINAL IN |
| Body Thickness | 0.188 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 |
|---|---|
| DK-PN-33 PRIMARY | Granco Manufacturing Inc. Div Granco Pump (USA) |
| Reference | Meaning |
|---|---|
| P-20-139 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| DK-PN-33 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| P 20 139 | D/9 Drawing number reference only Granco Manufacturing Inc. Div Granco Pump |
NSN 5340-01-057-4141 is a Cover,access, manufactured by Granco Manufacturing Inc. Div Granco Pump, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-057-4141 has 1 manufacturer part number on file: DK-PN-33 (Granco Manufacturing Inc. Div Granco Pump).
Key specifications for DK-PN-33: Flange Thickness: 0.312 INCHES NOMINAL IN; First Recess Inside Height: 1.562 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: CIRCULAR RECESS. 13 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.