PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6740-1Housing,regulator Oxygen,aircraf

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-006-5313 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-006-5313 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-006-5313. Primary manufacturer part number: 6740-1.
Features
  • Housing,regulator Oxygen,aircraf — FSC 1660
  • FSC Application Data: AIRCRAFT OXYGEN SYSTEM
  • General Characteristics Item Description: ALUMINUM,DIE CAST,MACHINED PORTS EACH END AND SIDE,ANODIZED FORCORROSION,1.500 IN. THK,4.500 IN. ID IN
  • 2 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Housing,regulator Oxygen,aircraf, cataloged under National Stock Number 1660-00-006-5313, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-006-5313
Primary Part Number6740-1
Item NameHousing,regulator Oxygen,aircraf
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
FSC Application DataAIRCRAFT OXYGEN SYSTEM
General Characteristics Item DescriptionALUMINUM,DIE CAST,MACHINED PORTS EACH END AND SIDE,ANODIZED FORCORROSION,1.500 IN. THK,4.500 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-089-05946740-1 INTERCHANGEABLE
Semiconductor Devices,unitized
Rockwell Collins, Inc. Dba Rc Displays Systems
5330-00-797-246867401 INTERCHANGEABLE
Gasket
Cummins Inc.
5962-01-112-5185 INTERCHANGEABLE
Integrated Circuit
5962-01-160-695967401 INTERCHANGEABLE
Integrated Circuit
Johanson Dielectrics, Inc
5930-01-328-5275ED00674R0010-S INTERCHANGEABLE
Switch,pressure
Quality Defense Spares, Inc. Dba Quality Defense Spares Inc
5930-01-336-9954 INTERCHANGEABLE
Switch,pressure
5120-01-399-9227PL-126C INTERCHANGEABLE
Pliers
Williams J H Industrial Products Inc
8940-01-702-913867401 INTERCHANGEABLE
Dietary Supplement,therapeutic
Abbott Laboratories Dba Abbott Nutrition Div Abbott Nutrition
Cross-Reference Index
Part NumberManufacturer
6740-1 Avox Systems Inc Dba Avox Systems Inc (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
Related Parts
5961-00-089-0594INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
6740-1
5330-00-797-2468INTERCHANGEABLE
GASKET
67401
5962-01-112-5185INTERCHANGEABLE
INTEGRATED CIRCUIT
5962-01-160-6959INTERCHANGEABLE
INTEGRATED CIRCUIT
67401
5930-01-328-5275INTERCHANGEABLE
SWITCH,PRESSURE
ED00674R0010-S
5930-01-336-9954INTERCHANGEABLE
SWITCH,PRESSURE
5120-01-399-9227INTERCHANGEABLE
PLIERS
PL-126C
8940-01-702-9138INTERCHANGEABLE
DIETARY SUPPLEMENT,THERAPEUTIC
67401

Frequently Asked Questions

What is NSN 1660-00-006-5313?

NSN 1660-00-006-5313 is a Housing,regulator Oxygen,aircraf, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-006-5313?

NSN 1660-00-006-5313 has 2 cross-referenced part numbers: 6740-1 (Avox Systems Inc Dba Avox Systems Inc), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force).

What NSN replaces 1660-00-006-5313?

There are 8 known substitutes for 1660-00-006-5313: 5961-00-089-0594, 5330-00-797-2468, 5962-01-112-5185 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6740-1?

Key specifications for 6740-1: FSC Application Data: AIRCRAFT OXYGEN SYSTEM; General Characteristics Item Description: ALUMINUM,DIE CAST,MACHINED PORTS EACH END AND SIDE,ANODIZED FORCORROSION,1.500 IN. THK,4.500 IN. ID IN. 2 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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