The Cover,access, cataloged under National Stock Number 5340-00-150-8360, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-150-8360 |
| Primary Part Number | 4B21109-109A |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 3.000 INCHES NOMINAL IN |
| FSC Application Data | LANDING GEAR SEQUENCING CONTROL BOX |
| Length | 14.000 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 13.050 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 5.600 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE |
| Securing Device Type | TURNLOCK FASTENER |
| Distance From First Hole Centerline to End Along Length | 0.470 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 8.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 4B21109-109A | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 4B21109-109A | 5/9 Secondary reference Archer Machine Products Co |
| 4B21109-109A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-150-8360 is a Cover,access, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-150-8360 has 1 manufacturer part number on file: 4B21109-109A (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
Key specifications for 4B21109-109A: Distance From First Hole Centerline to End Along Width: 3.000 INCHES NOMINAL IN; FSC Application Data: LANDING GEAR SEQUENCING CONTROL BOX; Length: 14.000 INCHES NOMINAL IN; Distance Between Holes Along Length: 13.050 INCHES NOMINAL IN. 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.
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.