The Cover,access, cataloged under National Stock Number 5340-00-177-3742, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-177-3742 |
| Primary Part Number | 4067-39 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | GALVANIC ANODIZE 4,FSCM 82402 MFR REF SINGLE TREATMENT RESPONSE |
| Bolt Circle Hole Quantity | 4 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Hole Diameter | 0.078 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4067-39 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 4067C39 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 4067C39 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-177-3742 is a Cover,access, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-177-3742 has 1 manufacturer part number on file: 4067-39 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 4067-39: Surface Treatment Document and Classification: GALVANIC ANODIZE 4,FSCM 82402 MFR REF SINGLE TREATMENT RESPONSE; Bolt Circle Hole Quantity: 4; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT. 11 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.