The Cover,access, cataloged under National Stock Number 5340-01-271-9637, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-271-9637 |
| Primary Part Number | 128W10089-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-18264 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Holes Along Length | 1.656 INCHES NOMINAL IN |
| Flange Thickness | 0.040 INCHES NOMINAL IN |
| Hole Quantity Along Length | 2 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Securing Device Type | SPECIAL |
| Hole Quantity Along Width | 6 |
| Surface Treatment | LACQUER ACRYLIC |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Material | ALUMINUM ALLOY 6061 |
| Body Thickness | 0.040 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 |
|---|---|
| 128W10089-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128W10089-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-271-9637 is a Cover,access, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-271-9637 has 1 manufacturer part number on file: 128W10089-1 (Northrop Grumman Systems Corporation).
Key specifications for 128W10089-1: Surface Treatment Document and Classification: MIL-F-18264 MIL SPEC SINGLE TREATMENT RESPONSE; Distance Between Holes Along Length: 1.656 INCHES NOMINAL IN; Flange Thickness: 0.040 INCHES NOMINAL IN; Hole Quantity Along Length: 2. 12 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.