PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86071Coupler Assembly,respirator

Siebe North Inc North Safety Equipment Div · NSN 4240-01-250-9028 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-250-9028 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-250-9028. Primary manufacturer part number: 86071.
Features
  • Coupler Assembly,respirator — FSC 4240
  • Criticality Code Justification: TEXT
  • General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302
  • 1 verified cross-reference
  • Primary manufacturer: Siebe North Inc North Safety Equipment Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler Assembly,respirator, cataloged under National Stock Number 4240-01-250-9028, 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 Siebe North Inc North Safety Equipment Div. Government technical data includes 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-250-9028
Primary Part Number86071
Item NameCoupler Assembly,respirator
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerSiebe North Inc North Safety Equipment Div
StatusACTIVE
Criticality Code JustificationTEXT
General Characteristics Item DescriptionSOLE SOURCE REQUIRED BY STATUTE 6.302
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5998-00-105-6578 INTERCHANGEABLE
Circuit Card Assembly
4330-00-278-9595WD19 INTERCHANGEABLE
Filter Element,fluid
Walker Mfg Co
3110-00-474-107586071 INTERCHANGEABLE
Bearing,ball,rod End
Northrop Grumman Systems Corporation
5935-00-755-33589975494 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Us Army Aviation and Missile Command
2920-01-197-7229SAW11977229 INTERCHANGEABLE
Armature,motor
Southern Automotive Wholesalers, Inc
6150-01-695-202786071 INTERCHANGEABLE
Cable Assembly,power,electrical
Lockheed Martin Corporation Div Rotary and Mission Systems
Cross-Reference Index
Part NumberManufacturer
86071 Siebe North Inc North Safety Equipment Div (USA)
Related Parts
5998-00-105-6578INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4330-00-278-9595INTERCHANGEABLE
FILTER ELEMENT,FLUID
WD19
3110-00-474-1075INTERCHANGEABLE
BEARING,BALL,ROD END
86071
5935-00-755-3358INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
9975494
2920-01-197-7229INTERCHANGEABLE
ARMATURE,MOTOR
SAW11977229
6150-01-695-2027INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
86071

Frequently Asked Questions

What is NSN 4240-01-250-9028?

NSN 4240-01-250-9028 is a Coupler Assembly,respirator, manufactured by Siebe North Inc North Safety Equipment Div, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-250-9028?

NSN 4240-01-250-9028 has 1 cross-referenced part number: 86071 (Siebe North Inc North Safety Equipment Div).

What NSN replaces 4240-01-250-9028?

There are 6 known substitutes for 4240-01-250-9028: 5998-00-105-6578, 4330-00-278-9595, 3110-00-474-1075 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 86071?

Key specifications for 86071: Criticality Code Justification: TEXT; End Item Identification: NORTH SAFETY EQUIPMENT MODEL 85000 SERIES AIRLINE RESPIRATORS; General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302. 3 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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