The Cover,access, cataloged under National Stock Number 5340-01-388-8758, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Spencer Industries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-388-8758 |
| Primary Part Number | 423R318H01 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| Length | 4.100 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Opening Shape Style | CLOSED VERTICAL SLOT |
| Material Document and Classification | QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | SPECIAL |
| Surface Treatment | CHROMATE |
| Width | 3.1000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| Slot Width | 0.1560 INCHES NOMINAL IN |
| Slot Length | 0.2190 INCHES NOMINAL IN |
| Body Thickness | 0.0400 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 |
|---|---|
| 423R318H01 | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 423R318H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-388-8758 is a Cover,access, manufactured by Spencer Industries Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-388-8758 has 1 manufacturer part number on file: 423R318H01 (Spencer Industries Inc).
Key specifications for 423R318H01: Length: 4.100 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Opening Shape Style: CLOSED VERTICAL SLOT; Material Document and Classification: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE. 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.