PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10163923Parts Kit,regulator Breathing Ga

Mine Safety Appliances Company, Llc Dba M S a · NSN 4240-01-658-1272 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-658-1272 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-658-1272. Primary manufacturer part number: 10163923.
Features
  • Parts Kit,regulator Breathing Ga — FSC 4240
  • Document Type: CATALOG SHEET
  • Document Source: 8F723
  • Accessory Identifying Number: 10163923 PART NO.
  • Accessory Controlling Agency: MINE SAFETY APPLIANCES COMPANY,LLC
  • Component Document Origin: INDUSTRIAL
  • 1 verified cross-reference
  • Primary manufacturer: Mine Safety Appliances Company, Llc Dba M S a
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Parts Kit,regulator Breathing Ga, cataloged under National Stock Number 4240-01-658-1272, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Mine Safety Appliances Company, Llc Dba M S a. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-658-1272
Primary Part Number10163923
Item NameParts Kit,regulator Breathing Ga
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerMine Safety Appliances Company, Llc Dba M S a
StatusACTIVE
Document TypeCATALOG SHEET
Document Source8F723
Accessory Identifying Number10163923 PART NO.
Accessory Controlling AgencyMINE SAFETY APPLIANCES COMPANY,LLC
Component Document OriginINDUSTRIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-01-142-94819152 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
10163923 Mine Safety Appliances Company, Llc Dba M S a (USA)
Related Parts
5340-01-142-9481INTERCHANGEABLE
STANDOFF,THREADED,SPACING
9152

Frequently Asked Questions

What is NSN 4240-01-658-1272?

NSN 4240-01-658-1272 is a Parts Kit,regulator Breathing Ga, manufactured by Mine Safety Appliances Company, Llc Dba M S a, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-658-1272?

NSN 4240-01-658-1272 has 1 cross-referenced part number: 10163923 (Mine Safety Appliances Company, Llc Dba M S a).

What NSN replaces 4240-01-658-1272?

There is 1 known substitute for 4240-01-658-1272: 5340-01-142-9481. Verify interchangeability with system specifications before substitution.

What are the specifications of 10163923?

Key specifications for 10163923: Document Type: CATALOG SHEET; Part Name Assigned by Controlling Agency: OVERHAUL KIT, G1, REG, CBRN, ELEK; Document Source: 8F723; Accessory Identifying Number: 10163923 PART NO.. 6 total characteristics are documented in the Federal Logistics Information System.

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