The Tank,liquid Oxygen Converter, cataloged under National Stock Number 3655-01-558-2971, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-01-558-2971 |
| Primary Part Number | 50C-0009-2 |
| Item Name | Tank,liquid Oxygen Converter |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 50C-0009-2 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
NSN 3655-01-558-2971 is a Tank,liquid Oxygen Converter, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-558-2971 has 1 manufacturer part number on file: 50C-0009-2 (Essex Industries, Inc. Dba Essex Industries).
Key specifications for 50C-0009-2: Special Features: DRAIN TANK PERMITS THE SAFE DISPOSAL OF EXCESS LIQUID OXYGEN ON-BOARD MILITARY AIRCRAFT BY ALLOWING EVAPORATION OR BOIL-OFF OF THE LIQUID OXYGEN IN THESE SPECIALIZED CONTAINERS. FABRICATED FROM STAINLESS STEEL AND SINGLE WALL CONSTRUCTED. WEIGHT IS 21 LBS. THE RELIEF VALVE PRESSURE SETTING IS 50 PLUS/MINUS 20 PSIG WITH A MINIMUM FLOW RATE OF 100 LITERS PER MINUTE. UNIT IS HYDROSTATICALLY TESTED AT 500 PSIG. HOLDS UP TO 32 LITERS OF CRYOGENIC FLUID. PERFORMANCE OF THE DRAIN TANK IS IN ACCORDANCE WITH AIR FORCE DRAWING 59D3854. FOUR CARRYING HANDLES. RELIEF VALVE: 1/4 ANPT THREAD PER MIL-P-7105. 5/16 FLARED TUBE FITTING PER AND10056. SPHERE RAD: 7.879 PLUS/MINUS 0.062. BASE LENGTH: 14.00 PLUS 0.12/MINUS 0.00. HEIGHT FROM BASE TO TOP OF SPHERE (NOT INCLUDING RELIEF VALVE): 15.9. CARRYING HANDLE INSIDE LENGTH: 5.0 TYP. LBS; Part Name Assigned by Controlling Agency: DRAIN TANK; End Item Identification: F-5 AIRCRAFT; Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.