PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74809Trap,gas Detector

Mine Safety Appliances Company · NSN 6665-00-253-3899 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-253-3899 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-253-3899. Primary manufacturer part number: 74809.
Features
  • Trap,gas Detector — FSC 6665
  • 1 verified cross-reference
  • Primary manufacturer: Mine Safety Appliances Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Trap,gas Detector, cataloged under National Stock Number 6665-00-253-3899, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mine Safety Appliances Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTrap,gas Detector
FSC / FSG6665 — No Item Name Available (FSG 66)
ManufacturersMine Safety Appliances Company (CAGE 55799)
Technical Specifications
ParameterValue
NSN6665-00-253-3899
Primary Part Number74809
Item NameTrap,gas Detector
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerMine Safety Appliances Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-129-195814575 INTERCHANGEABLE
Strap,retaining
Viz Manufacturing Company
5331-00-171-582874809 INTERCHANGEABLE
O-Ring
Prestolite Electric Inc
5331-00-212-0034Z053074809 INTERCHANGEABLE
O-Ring
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
74809 PRIMARY Mine Safety Appliances Company (USA)
Related Parts
5340-00-129-1958INTERCHANGEABLE
STRAP,RETAINING
14575
5331-00-171-5828INTERCHANGEABLE
O-RING
74809
5331-00-212-0034INTERCHANGEABLE
O-RING
Z053074809

Frequently Asked Questions

What is NSN 6665-00-253-3899?

NSN 6665-00-253-3899 is a Trap,gas Detector, manufactured by Mine Safety Appliances Company, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-253-3899?

NSN 6665-00-253-3899 has 1 cross-referenced part number: 74809 (Mine Safety Appliances Company).

What NSN replaces 6665-00-253-3899?

There are 3 known substitutes for 6665-00-253-3899: 5340-00-129-1958, 5331-00-171-5828, 5331-00-212-0034. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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