The Test Stand,aircraft Engine, cataloged under National Stock Number 4920-01-470-6508, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-470-6508 |
| Primary Part Number | 20-2505 |
| 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 | TURBOJET AND TURBOFAN ENGINES |
| Supplementary Features | SERD6460 RECOMMENDS 2IN. FLOWMETER TO BE SUBSTITUTED FOR 1.5IN. CURRENTLY USED ON A/M37T-20B MODEL. 229 ENGINES REQUIER HIGHER FUEL FLOW DELIVERED AT FASTER RATES IN |
| Reference Data and Literature | T.O.33D4-6-212-44;USABLE ON CODE IS "G" |
| Functional Description | USED FOR ENGINE TEST AND CONTROLSFUEL SYSTEM FOR SUPPLYING FUEL TO THE ENGINE BEING TESTED |
| Test Type for Which Designed | FUNCTION AND PERFORMANCE TEST ON JET ENGINES |
| 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-20C | Celtech Corporation (USA) |
| 20-2505 PRIMARY | Celtech Corporation (USA) |
NSN 4920-01-470-6508 is a Test Stand,aircraft Engine, manufactured by Celtech Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-470-6508 has 2 manufacturer part numbers on file: A/M37T-20C (Celtech Corporation), 20-2505 (Celtech Corporation).
Key specifications for 20-2505: Engine Model Tested: TURBOJET AND TURBOFAN ENGINES; Supplementary Features: SERD6460 RECOMMENDS 2IN. FLOWMETER TO BE SUBSTITUTED FOR 1.5IN. CURRENTLY USED ON A/M37T-20B MODEL. 229 ENGINES REQUIER HIGHER FUEL FLOW DELIVERED AT FASTER RATES IN; Reference Data and Literature: T.O.33D4-6-212-44;USABLE ON CODE IS "G"; Special Features: CONSISTS OF THE FOLLOWING COMPONENTS: CONTROL CAB:154.000IN.L.X84.000IN.W.X98.000IN.H.,5500LBS; THRUST TRAILER:195.000IN.L.X51.000IN.W.X64.000IN.H.,2500LBS; FUEL TRAILER:202.000IN.L.X80.000IN.W.X98.000IN.H.,3950LBS; MTG DATA:INTEGRAL AXLES; MATL: ALL METAL EXTERIORS LBS. 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.
NSN 4920-01-470-6508 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.