NSN 4240-01-250-0741 · NIIN 012500741 · Part number R51535
Draeger Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 6L622
Government record, cited
NSN 4240-01-250-0741 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-250-0741. Manufacturer of record part number: R51535.
Also searched as4240-01-250-0741 ·
4240012500741 ·
NIIN 012500741 ·
01-250-0741 ·
FSC 4240 Safety and Rescue Equipment · CAGE 6L622 · R51535 · 421 R51535
Nearby stock numbers← 4240-01-250-0740 Respirator, Air Filtering
·
4240-01-250-0742 Respirator, Air Filtering →
Features
Respirator,air Filtering — FSC 4240
Criticality Code Justification: FEAT
Approval Designator: ERR-060
Material: RUBBER SILICONE CLASS Q MASK
1 manufacturer part number on file
Manufacturer of record: Draeger Inc
Identification
NSN: 4240-01-250-0741
NIIN: 012500741
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: R51535
Manufacturer: Draeger Inc
General Description
The Respirator,air Filtering, cataloged under National Stock Number 4240-01-250-0741, 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 Draeger Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4240-01-250-0741
Primary Part Number
R51535
Item Name
Respirator,air Filtering
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Draeger Inc
Status
ACTIVE
Criticality Code Justification
FEAT
Approval Designator
ERR-060
Material
RUBBER SILICONE CLASS Q MASK
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 4240-01-250-0741?
NSN 4240-01-250-0741 is a Respirator,air Filtering, manufactured by Draeger Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-250-0741?
NSN 4240-01-250-0741 has 1 manufacturer part number on file: R51535 (Draeger Inc).
What are the specifications of R51535?
Key specifications for R51535: Criticality Code Justification: FEAT; Approval Designator: ERR-060; Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302; Material: RUBBER SILICONE CLASS Q MASK. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-250-0741 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.