The Test Set,environmental Control S, cataloged under National Stock Number 4920-01-261-0298, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-261-0298 |
| Primary Part Number | 11275-1 |
| Item Name | Test Set,environmental Control S |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Reference Data and Literature | SERD 9991 |
| Functional Description | USED TO TEST TEMPERATURE AND PRESSURE OF AIR FLOWING INTO DUCT LEADING TO AVAONICS BAY |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Test Type for Which Designed | AVAONICS BAY AIR |
| 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 |
|---|---|
| 11275-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 11275-1 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
NSN 4920-01-261-0298 is a Test Set,environmental Control S, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-261-0298 has 1 manufacturer part number on file: 11275-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 11275-1: Reference Data and Literature: SERD 9991; Special Features: CONSOLE CABINET 22.000 IN. W,24.000 IN. D,58.000 IN. H; ELECTRICAL POWER REQUIREMENTS 115 VAC,60 HZ,6 AMP; PNEUMATIC REQUIREMENTS 40-150 PSI,CLEAN,DRY,AIR VAC; Functional Description: USED TO TEST TEMPERATURE AND PRESSURE OF AIR FLOWING INTO DUCT LEADING TO AVAONICS BAY; Enclosure Feature: SINGLE ITEM W/HOUSING. 4 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.