The Cover,access, cataloged under National Stock Number 5340-01-126-1841, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L-3 Communications Corporation Dba Intergrated Optical Systems-Tinsley Div Integrated Optical Systems - Tinsley. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-126-1841 |
| Primary Part Number | C424842 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L-3 Communications Corporation Dba Intergrated Optical Systems-Tinsley Div Integrated Optical Systems - Tinsley |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Bolt Circle Hole Quantity | 4 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Outside Diameter | 0.9500 INCHES MINIMUM AND 0.9600 INCHES MAXIMUM IN |
| Securing Device Type | SPECIAL |
| Bolt Circle Diameter | 0.7550 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Body Thickness | 0.1250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| C424842 PRIMARY | L-3 Communications Corporation Dba Intergrated Optical Systems-Tinsley Div Integrated Optical Systems - Tinsley (USA) |
NSN 5340-01-126-1841 is a Cover,access, manufactured by L-3 Communications Corporation Dba Intergrated Optical Systems-Tinsley Div Integrated Optical Systems - Tinsley, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-126-1841 has 1 manufacturer part number on file: C424842 (L-3 Communications Corporation Dba Intergrated Optical Systems-Tinsley Div Integrated Optical Systems - Tinsley).
Key specifications for C424842: Surface Treatment Document and Classification: MIL-A-8625, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE; Bolt Circle Hole Quantity: 4; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE. 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.
NSN 5340-01-126-1841 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.