The Frame,air Inlet-Outlet, cataloged under National Stock Number 5340-01-138-2068, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-138-2068 |
| Item Name | Frame,air Inlet-Outlet |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.220 INCHES NOMINAL IN |
| Mounting Facility Quantity | 3 |
| Mounting Method | UNTHREADED HOLE(S) |
| Overall Thickness | 1.062 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| SM-C-423059 | 3/2 Design control — primary reference U.S. Government activity |
| SM-C-423059 | 5/9 Secondary reference Rca Corp Government and Commercial Systems Commercial Commications Systems Div |
NSN 5340-01-138-2068 is a Frame,air Inlet-Outlet, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-138-2068: Mounting Facility Diameter: 0.220 INCHES NOMINAL IN; Mounting Facility Quantity: 3; Mounting Method: UNTHREADED HOLE(S); Overall Thickness: 1.062 INCHES NOMINAL IN. 7 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.