The Purging Unit,air,liquid Oxygen S, cataloged under National Stock Number 3655-01-361-8905, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, 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 | 3655-01-361-8905 |
| Primary Part Number | 3447AS100-1 |
| Item Name | Purging Unit,air,liquid Oxygen S |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | PURGE UNIT REMOVES EXCESS MOISTURE FROM LIQUID OXYGEN SYSTEMS USING HOT NITROGEN. IT PURGES A 50 PSI FOR AIRCRAFT LINES AND 120 PSI FOR LIQUID OXYGEN CONVERTERS |
| 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 |
|---|---|
| 791050-001 | Pacific Consolidated Industries Llc (USA) |
| 3447AS100-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 3655-01-361-8905 is a Purging Unit,air,liquid Oxygen S, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-361-8905 has 2 manufacturer part numbers on file: 791050-001 (Pacific Consolidated Industries Llc), 3447AS100-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3447AS100-1: General Characteristics Item Description: PURGE UNIT REMOVES EXCESS MOISTURE FROM LIQUID OXYGEN SYSTEMS USING HOT NITROGEN. IT PURGES A 50 PSI FOR AIRCRAFT LINES AND 120 PSI FOR LIQUID OXYGEN CONVERTERS. 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.