The Waveguide Pres Unit, cataloged under National Stock Number 4920-01-450-3448, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Astronics Dme Llc Dba Astronics Dme. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-450-3448 |
| Primary Part Number | G1-29-8400-800 |
| Item Name | Waveguide Pres Unit |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Astronics Dme Llc Dba Astronics Dme |
| Status | ACTIVE |
| Reference Data and Literature | SERD 9000 |
| Functional Description | MEETS PRESSURIZATION REQUIREMENTSOF THE APQ-180 ANETNNA AND RADAR TRANSMITTER AND THE VACUUM REQUIREMENTS OF THE RADAR TRANSMITTER, HAS A DISSICATOR/DEHYDRATOR CAPABILITY TO PROVIDE DRYAIR TO THE WAVEGUIDES, CONTAINED IN A SINGLE TRANSPORTABLE CASE WITH COMPONENTS STORED INSIDE, HAS OWN INDEPENDENTSELF TEST |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G1-29-8400-800 PRIMARY | Astronics Dme Llc Dba Astronics Dme (USA) |
NSN 4920-01-450-3448 is a Waveguide Pres Unit, manufactured by Astronics Dme Llc Dba Astronics Dme, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-450-3448 has 1 manufacturer part number on file: G1-29-8400-800 (Astronics Dme Llc Dba Astronics Dme).
Key specifications for G1-29-8400-800: Reference Data and Literature: SERD 9000; Functional Description: MEETS PRESSURIZATION REQUIREMENTSOF THE APQ-180 ANETNNA AND RADAR TRANSMITTER AND THE VACUUM REQUIREMENTS OF THE RADAR TRANSMITTER, HAS A DISSICATOR/DEHYDRATOR CAPABILITY TO PROVIDE DRYAIR TO THE WAVEGUIDES, CONTAINED IN A SINGLE TRANSPORTABLE CASE WITH COMPONENTS STORED INSIDE, HAS OWN INDEPENDENTSELF TEST; Part Name Assigned by Controlling Agency: WAVEGUIDE PRESSURE UNIT; End Item Identification: AC-130U GUNSHIP. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.