The Adapter Set,air Leakage, cataloged under National Stock Number 4920-01-277-3472, 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 Fisica Applied Technologies, Inc. Div Randtron Antenna Systems. Government technical data includes 1 specification, 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-277-3472 |
| Primary Part Number | 25300-1 |
| Item Name | Adapter Set,air Leakage |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,ALODINE FINISH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25300-1 PRIMARY | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA) |
NSN 4920-01-277-3472 is a Adapter Set,air Leakage, manufactured by Fisica Applied Technologies, Inc. Div Randtron Antenna Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-277-3472 has 1 manufacturer part number on file: 25300-1 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6220-01-508-4998, 4730-01-649-7903. Verify interchangeability with system specifications before substitution.
Key specifications for 25300-1: General Characteristics Item Description: ALUMINUM ALLOY,ALODINE FINISH; End Item Identification: AIRCRAFT MODEL E-2. 1 specification is 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.
NSN 4920-01-277-3472 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.