The Tester,pressurized Cabin Leakage, cataloged under National Stock Number 4920-00-431-9397, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4920-00-431-9397 |
| Item Name | Tester,pressurized Cabin Leakage |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | PORTABLE,SELF-CONTAINED; GASOLINE-ENGINE-DRIVEN UNIT; 10 TO 400 CUBIC FT PER MINUTE (CFM),2 TO 12.5 LB PER SQUARE IN. (PSI); COMPONENTS; CANOPY SEAL SYSTEM; PRESSURIZATION SYSTEM; MEASURING SYSTEM; TRAILER; CONTROL PANEL; HOUSING; ACCESSORY BOX; PRESSURIZATION HOSE STORAGE DEVICE; ACCESSORIES: ONE AN6270-8-300 HOSE,DUST CAPS; ONE AN6270-6-300 HOSE,DUST CAPS; ONE AN893-12D BUSHING; ONE AN893-2D BUSHING; SET OF ADAPTERS AND GASKET; 25 FT,3.000 IN. INSIDE DIM. AIR HOSE; STETHOSCOPE; PERFORMANCE: OPERATING TEMPERATURES RANGING FROM -20 TO +120 DEGREE F. LBS |
| Reference Data and Literature | T.O. 33D2-28-10-1 AND MIL-T-26141 |
| Functional Classification | AA-8.4 |
| Functional Description | SUPPLIES PRESSURIZED AIR FOR PERFORMANCE CHECKING UNDER PRESSURIZED CONDITIONS |
| Type/model Designation | AF/M32T-1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-PRF-26139 | 4/1 Identification reference U.S. Government activity |
| MILT26141 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-00-431-9397 is a Tester,pressurized Cabin Leakage, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4920-01-006-5238, 4920-01-462-3654. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-00-431-9397: General Characteristics Item Description: PORTABLE,SELF-CONTAINED; GASOLINE-ENGINE-DRIVEN UNIT; 10 TO 400 CUBIC FT PER MINUTE (CFM),2 TO 12.5 LB PER SQUARE IN. (PSI); COMPONENTS; CANOPY SEAL SYSTEM; PRESSURIZATION SYSTEM; MEASURING SYSTEM; TRAILER; CONTROL PANEL; HOUSING; ACCESSORY BOX; PRESSURIZATION HOSE STORAGE DEVICE; ACCESSORIES: ONE AN6270-8-300 HOSE,DUST CAPS; ONE AN6270-6-300 HOSE,DUST CAPS; ONE AN893-12D BUSHING; ONE AN893-2D BUSHING; SET OF ADAPTERS AND GASKET; 25 FT,3.000 IN. INSIDE DIM. AIR HOSE; STETHOSCOPE; PERFORMANCE: OPERATING TEMPERATURES RANGING FROM -20 TO +120 DEGREE F. LBS; Reference Data and Literature: T.O. 33D2-28-10-1 AND MIL-T-26141; Functional Classification: AA-8.4; Functional Description: SUPPLIES PRESSURIZED AIR FOR PERFORMANCE CHECKING UNDER PRESSURIZED CONDITIONS. 5 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.