The Cover,access, cataloged under National Stock Number 5340-01-264-4264, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-264-4264 |
| Primary Part Number | 123BH10028-501 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-23377 TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Hole Quantity Along Length | 8 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/12 T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-250/18 T6 FED SPEC 2ND MATERIAL RESPONSE AND GC100B20E CAGEC 26512 MFR REF 3RD MATERIAL RESPONSE |
| Hole Quantity Along Width | 10 |
| Surface Treatment | PRIMER EPOXY-POLYAMIDE |
| Material | ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY 5052 |
| Hole Diameter | 0.166 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 |
|---|---|
| 123BH10028-501 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123BH10028-501 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| 123BH10028-501 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-264-4264 is a Cover,access, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-264-4264 has 1 manufacturer part number on file: 123BH10028-501 (Northrop Grumman Systems Corporation).
Key specifications for 123BH10028-501: Surface Treatment Document and Classification: MIL-P-23377 TY 1 MIL SPEC SINGLE TREATMENT RESPONSE; Hole Quantity Along Length: 8; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-A-250/12 T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-250/18 T6 FED SPEC 2ND MATERIAL RESPONSE AND GC100B20E CAGEC 26512 MFR REF 3RD MATERIAL RESPONSE. 8 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.