The Generator,oxygen-Nitrogen, cataloged under National Stock Number 3655-01-490-3795, 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 Balston Inc Div of Whatman Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3655-01-490-3795 |
| Primary Part Number | 74-5041-220 FT-IR |
| Item Name | Generator,oxygen-Nitrogen |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Balston Inc Div of Whatman Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 74-5041-220 FT-IR PRIMARY | Balston Inc Div of Whatman Inc (USA) |
| 74-5041-220 FT-IR | Keysight Technologies Pty Ltd Keysight Technologies Australia (AUS) |
| Reference | Meaning |
|---|---|
| 74-5041-220 FT-IR | 5/9 Secondary reference Agilent Technologies Australia Pty Ltd |
NSN 3655-01-490-3795 is a Generator,oxygen-Nitrogen, manufactured by Balston Inc Div of Whatman Inc, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-490-3795 has 2 manufacturer part numbers on file: 74-5041-220 FT-IR (Balston Inc Div of Whatman Inc), 74-5041-220 FT-IR (Keysight Technologies Pty Ltd Keysight Technologies Australia).
Key specifications for 74-5041-220 FT-IR: Special Features: GAS REQUIREMENT-AIR FOR SAMPLE COMPARTMENT,OPTICS AND/OR AIR BEARING COMPONENTS,PURITY REQUIREMENT CLEAN,DRY ,CO2-FREE,FLOW RATES 0.3-3 SCFM. 0 specifications are 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.