The Cover,access, cataloged under National Stock Number 5340-01-271-8685, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Avionics Specialties, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-271-8685 |
| Primary Part Number | 123-1325 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Avionics Specialties, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Flange Thickness | 0.060 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 4 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT, ROUND RIB REINFORCED |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Securing Device Type | SPECIAL |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.136 INCHES NOMINAL IN |
| Body Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 123-1325 PRIMARY | Avionics Specialties, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10104992 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-271-8685 is a Cover,access, manufactured by Avionics Specialties, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-271-8685 has 1 manufacturer part number on file: 123-1325 (Avionics Specialties, Inc.).
Key specifications for 123-1325: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Flange Thickness: 0.060 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 4; Mounting Opening Shape Style: UNTHREADED HOLE. 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 5340-01-271-8685 has DEMIL Code D. 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.