Filter Assembly, Gas4240-01-581-0434

NSN 4240-01-581-0434 · NIIN 015810434 · Part number 3789653

Oshkosh Defense Llc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 75Q65

Government record, cited

NSN 4240-01-581-0434 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-581-0434. Manufacturer of record part number: 3789653.

Also searched as 4240-01-581-0434 · 4240015810434 · NIIN 015810434 · 01-581-0434 · FSC 4240 Safety and Rescue Equipment · CAGE 75Q65 · 3789653

Nearby stock numbers ← 4240-01-580-9382 Lanyard, Safety, Industrial · 4240-01-581-2192 Hose Assembly, Air Breathing →

Features

Filter Assembly,gas — FSC 4240
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 4240-01-581-0434
NIIN: 015810434
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 3789653
Manufacturer: Oshkosh Defense Llc

General Description

The Filter Assembly,gas, cataloged under National Stock Number 4240-01-581-0434, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Filter Assembly,gas
FSC / FSG	4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152)

Technical Specifications

Parameter	Value
NSN	4240-01-581-0434
Primary Part Number	3789653
Item Name	Filter Assembly,gas
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
3789653 PRIMARY	Oshkosh Defense Llc (USA)
3789653 PRIMARY	Oshkosh Corp (USA)

No interchangeability data on file.

Other items in FSC 4240 — Safety and Rescue Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4240-00-001-1515

4240-00-001-1515 · Item name not on file

4240-00-001-2684

4240-00-001-2684 · Item name not on file

4240-00-006-0022

HOSE,EVACUATION

4240-00-007-4576

4240-00-007-4576 · Item name not on file

4240-00-007-8182

4240-00-007-8182 · Item name not on file

4240-00-007-8183

4240-00-007-8183 · Item name not on file

4240-00-007-8184

4240-00-007-8184 · Item name not on file

4240-00-007-8185

4240-00-007-8185 · Item name not on file

Frequently Asked Questions

What is NSN 4240-01-581-0434?

NSN 4240-01-581-0434 is a Filter Assembly,gas, manufactured by Oshkosh Defense Llc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What part numbers are listed for NSN 4240-01-581-0434?

NSN 4240-01-581-0434 has 2 manufacturer part numbers on file: 3789653 (Oshkosh Defense Llc), 3789653 (Oshkosh Corp).

Is NSN 4240-01-581-0434 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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