The Cover,access, cataloged under National Stock Number 5340-01-239-5177, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Capy Machine Shop Inc. Dba Capy Machine Shop Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-239-5177 |
| Primary Part Number | A51B42012-15 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Capy Machine Shop Inc. Dba Capy Machine Shop Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 631 |
| Body Thickness | 0.032 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 |
|---|---|
| A51B42012-15 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| A51B42012-15 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51B42012-15 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
| A51B42012-15 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5340-01-239-5177 is a Cover,access, manufactured by Capy Machine Shop Inc. Dba Capy Machine Shop Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-239-5177 has 1 manufacturer part number on file: A51B42012-15 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for A51B42012-15: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: FLAT; Surface Treatment: PASSIVATE. 6 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.