NSN 4240-01-248-8057 · NIIN 012488057 · Part number 471373
Mine Safety Appliances Company · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 55799
Government record, cited
NSN 4240-01-248-8057 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-248-8057. Manufacturer of record part number: 471373.
Also searched as4240-01-248-8057 ·
4240012488057 ·
NIIN 012488057 ·
01-248-8057 ·
FSC 4240 Safety and Rescue Equipment · CAGE 55799 · 471373
Nearby stock numbers← 4240-01-248-8056 Mask, Air Line
·
4240-01-248-8058 →
Features
Mask,air Line — FSC 4240
Criticality Code Justification: FEAT
1 manufacturer part number on file
Manufacturer of record: Mine Safety Appliances Company
Identification
NSN: 4240-01-248-8057
NIIN: 012488057
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 471373
Manufacturer: Mine Safety Appliances Company
General Description
The Mask,air Line, cataloged under National Stock Number 4240-01-248-8057, 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 Mine Safety Appliances Company. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4240-01-248-8057
Primary Part Number
471373
Item Name
Mask,air Line
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Mine Safety Appliances Company
Status
ACTIVE
Criticality Code Justification
FEAT
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 4240-01-248-8057?
NSN 4240-01-248-8057 is a Mask,air Line, manufactured by Mine Safety Appliances Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-248-8057?
NSN 4240-01-248-8057 has 1 manufacturer part number on file: 471373 (Mine Safety Appliances Company).
What are the specifications of 471373?
Key specifications for 471373: Criticality Code Justification: FEAT; Special Features: C/O FACEPIECE AND BREATHING TUBE ASSEMBLY; SIZE LARGE; BLACK; RUBBER; SOLE SOURCE REQUIRED BY STATUTE 6.302. 1 specification is documented in the U.S. Government catalog.
Is NSN 4240-01-248-8057 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.