The Test Stand,aircraft Engine, cataloged under National Stock Number 4920-01-325-2244, 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 Celtech Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-325-2244 |
| Primary Part Number | A/M37T-21A |
| Item Name | Test Stand,aircraft Engine |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Celtech Corporation |
| Status | ACTIVE |
| Engine Model Tested | T56 TURBO PROP ENGINES |
| Relationship to Similar Equipment | SIMILAR TO P/N A/M326-16 |
| Reference Data and Literature | T.O. 33D4-6-212-41; DD61: SANEO-76-1 |
| Test Type for Which Designed | FUNCTIONAL AND PERFORMANCE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A/M37T-21A PRIMARY | Celtech Corporation (USA) |
| Reference | Meaning |
|---|---|
| A/M37T-21A | 5/2 Secondary reference U.S. Government activity |
NSN 4920-01-325-2244 is a Test Stand,aircraft Engine, manufactured by Celtech Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-325-2244 has 1 manufacturer part number on file: A/M37T-21A (Celtech Corporation).
Key specifications for A/M37T-21A: Engine Model Tested: T56 TURBO PROP ENGINES; Relationship to Similar Equipment: SIMILAR TO P/N A/M326-16; Reference Data and Literature: T.O. 33D4-6-212-41; DD61: SANEO-76-1; Special Features: C/O CONTROL CAB FOR HOUSING ALL ENGINE TEST INSTRUMENTATION/CONTROLS,FUEL SYSTEM FOR SUPPLYING FUEL TO THE ENGINE BEING TESTED,ENGINE RUN UP TRAILER FOR MTG ENGINE DURING TESTING,AND ENGINE CONTROL KIT FOR AUXILIARY POWER/INSTRUMENTS FOR VARIOUS MODELS OF T56 ENGINE; INPUT POWER: 208 V,400 HZ,3 PHASE,140 AMPS,28 VDC AND 100 AMPS VDC. 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.
NSN 4920-01-325-2244 has DEMIL Code C. 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.