NSN 4240-00-495-9140 · NIIN 004959140 · Part number 15339
Mine Safety Appliances Company · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 55799
Government record, cited
NSN 4240-00-495-9140 — this item is cataloged by the U.S. Government under National Stock Number 4240-00-495-9140. Manufacturer of record part number: 15339.
Also searched as4240-00-495-9140 ·
4240004959140 ·
NIIN 004959140 ·
00-495-9140 ·
FSC 4240 Safety and Rescue Equipment · CAGE 55799 · 15339
Manufacturer of record: Mine Safety Appliances Company
Identification
NSN: 4240-00-495-9140
NIIN: 004959140
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 15339
Manufacturer: Mine Safety Appliances Company
General Description
The Stem Assy,regulator, cataloged under National Stock Number 4240-00-495-9140, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Stem Assy,regulator
FSC / FSG
4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers
Mine Safety Appliances Company (CAGE 55799)
Technical Specifications
Parameter
Value
NSN
4240-00-495-9140
Primary Part Number
15339
Item Name
Stem Assy,regulator
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Mine Safety Appliances Company
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-204-9169POSSIBLE MATCH
SCREW
Possible match (shared part number)
6105-01-286-336015339POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Middleby Marshall Inc Conveyor Ovens and Mixers Div
NSN 4240-00-495-9140 is a Stem Assy,regulator, manufactured by Mine Safety Appliances Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-00-495-9140?
NSN 4240-00-495-9140 has 1 manufacturer part number on file: 15339 (Mine Safety Appliances Company).
What NSN replaces 4240-00-495-9140?
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-204-9169, 6105-01-286-3360, 9150-01-682-9505. Verify interchangeability with system specifications before substitution.
Is NSN 4240-00-495-9140 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.