The Frame,air Inlet-Outlet, cataloged under National Stock Number 5340-01-428-2249, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-428-2249 |
| Item Name | Frame,air Inlet-Outlet |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.1430 INCHES MINIMUM AND 0.1490 INCHES MAXIMUM IN |
| Mounting Facility Quantity | 5 |
| Surface Treatment Document and Classification | MIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Method | UNTHREADED HOLE(S) |
| Overall Thickness | 0.4500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Color | OLIVE DRAB |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| 8949210-01 | 3/2 Design control — primary reference U.S. Government activity |
| 8949210-01 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-428-2249 is a Frame,air Inlet-Outlet, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-428-2249: Mounting Facility Diameter: 0.1430 INCHES MINIMUM AND 0.1490 INCHES MAXIMUM IN; Mounting Facility Quantity: 5; Surface Treatment Document and Classification: MIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Mounting Method: UNTHREADED HOLE(S). 9 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.