Respirator Assembly, Air Filterin4240-01-148-3589

NSN 4240-01-148-3589 · NIIN 011483589

FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment

Government record, cited

Also searched as 4240-01-148-3589 · 4240011483589 · NIIN 011483589 · 01-148-3589 · FSC 4240 Safety and Rescue Equipment

Nearby stock numbers ← 4240-01-147-2611 · 4240-01-148-5596 Bag, Rescue Equipment →

Features

Respirator Assembly,air Filterin — FSC 4240
General Characteristics Item Description: 1 80C4920-1 RESPIRATOR-STRIPPED; 1 81B5172 STRAP; 1 80B4896 STRAP; 1 79B4725 BLANK; 1 79B4681 MICROPHONE SUB ASSEMBLY

Identification

NSN: 4240-01-148-3589
NIIN: 011483589
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment

General Description

The Respirator Assembly,air Filterin, cataloged under National Stock Number 4240-01-148-3589, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4240-01-148-3589
Item Name	Respirator Assembly,air Filterin
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Status	ACTIVE
General Characteristics Item Description	1 80C4920-1 RESPIRATOR-STRIPPED; 1 81B5172 STRAP; 1 80B4896 STRAP; 1 79B4725 BLANK; 1 79B4681 MICROPHONE SUB ASSEMBLY

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
79C4675-1	3/2 Design control — primary reference U.S. Government activity

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 4240-01-148-3589?

NSN 4240-01-148-3589 is a Respirator Assembly,air Filterin, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What are the specifications of 4240-01-148-3589?

Key specifications for 4240-01-148-3589: General Characteristics Item Description: 1 80C4920-1 RESPIRATOR-STRIPPED; 1 81B5172 STRAP; 1 80B4896 STRAP; 1 79B4725 BLANK; 1 79B4681 MICROPHONE SUB ASSEMBLY; End Item Identification: MC-140. 1 specification is documented in the U.S. Government catalog.

Is NSN 4240-01-148-3589 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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