PartsTable TECHNICAL DATA SHEET

NSN 4240-01-665-4635Government record, cited

Breathing Apparatus, Self-Contain4240-01-665-4635

NSN 4240-01-665-4635 · NIIN 016654635 · Part number OXY-4175-001

Life Support International Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 0B2S0

Government record, cited

NSN 4240-01-665-4635 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-665-4635. Manufacturer of record part number: OXY-4175-001.

Also searched as 4240-01-665-4635 · 4240016654635 · NIIN 016654635 · 01-665-4635 · FSC 4240 Safety and Rescue Equipment · CAGE 0B2S0 · OXY-4175-001 · 4240PL1930773

Nearby stock numbers ← 4240-01-665-4621 Rescue and Salvaging Kit, Hydraul · 4240-01-665-6367 Nose Cup Right Filt →

Features

Breathing Apparatus,self-Contain — FSC 4240
1 manufacturer part number on file
Manufacturer of record: Life Support International Inc

Identification

NSN: 4240-01-665-4635
NIIN: 016654635
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: OXY-4175-001
Manufacturer: Life Support International Inc

General Description

The Breathing Apparatus,self-Contain, cataloged under National Stock Number 4240-01-665-4635, 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 Life Support International Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4240-01-665-4635
Primary Part Number	OXY-4175-001
Item Name	Breathing Apparatus,self-Contain
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Manufacturer	Life Support International Inc
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
OXY-4175-001 PRIMARY	Life Support International Inc (USA)

Reference documents

Reference	Meaning
4240PL1930773	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index

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 4240-01-665-4635?

NSN 4240-01-665-4635 is a Breathing Apparatus,self-Contain, manufactured by Life Support International Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What part numbers are listed for NSN 4240-01-665-4635?

NSN 4240-01-665-4635 has 1 manufacturer part number on file: OXY-4175-001 (Life Support International Inc).

What are the specifications of OXY-4175-001?

Key specifications for OXY-4175-001: Special Features: 3000 PSI ALUMINUM TANK; Part Name Assigned by Controlling Agency: LIGHT WEIGHT, SELF-CONTAINED BREATHING APPARATUS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4240-01-665-4635 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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