PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

450-08Facepiece,mask,oxygen

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-794-0857 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-794-0857 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-794-0857. Primary manufacturer part number: 450-08.
Features
  • Facepiece,mask,oxygen — FSC 1660
  • FSC Application Data: ACFT,MASK,OXYGEN
  • General Characteristics Item Description: RUBBER,SILICONE,4.734 IN. LG,4.609 W,SHORT NARROW W
  • 7 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 Facepiece,mask,oxygen, cataloged under National Stock Number 1660-00-794-0857, 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 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-794-0857
Primary Part Number450-08
Item NameFacepiece,mask,oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
FSC Application DataACFT,MASK,OXYGEN
General Characteristics Item DescriptionRUBBER,SILICONE,4.734 IN. LG,4.609 W,SHORT NARROW W
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6520-00-055-15191061-183 INTERCHANGEABLE
Blade,dental Laboratory Saw
Benco Dental Supply Co.
5330-00-168-2103 INTERCHANGEABLE
Gasket
5360-00-213-0480H2010-213-0480 INTERCHANGEABLE
Spring,brake Release
Naval Inventory Control Point Mechanicsburg
5330-00-285-946128531A INTERCHANGEABLE
Seal,plain Encased
Brinkley Technology Group Llc Dba Hercules Manufacturing
5342-00-567-31224871 INTERCHANGEABLE
Lock,dead Bolt
Eastern Co Div Eberhard Manufacturing
5930-00-681-0528121109LE INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
1660-00-794-0858 INTERCHANGEABLE
Facepiece,mask,oxygen
1660-00-794-0868450-09A INTERCHANGEABLE
Hardshell Assembly
Avox Systems Inc Dba Avox Systems Inc
1660-00-810-3225 INTERCHANGEABLE
Mask,oxygen
6515-01-006-58014871 INTERCHANGEABLE
Intravenous Injection Set
Abbott Laboratories Inc. Div Hospital Products Division
Cross-Reference Index
Part NumberManufacturer
450-08 Avox Systems Inc Dba Avox Systems Inc (USA)
G005-1029-01 Gentex Corp (USA)
M27274-F40 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-27274 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
60D3515 Department of the Air Force (USA)
G005-1029-01 Bhv Aviation Consultants Gmbh (DEU)
4871 Gencorp Automotive Engineered Elastomers Div (USA)
Related Parts
6520-00-055-1519INTERCHANGEABLE
BLADE,DENTAL LABORATORY SAW
1061-183
5330-00-168-2103INTERCHANGEABLE
GASKET
5360-00-213-0480INTERCHANGEABLE
SPRING,BRAKE RELEASE
H2010-213-0480
5330-00-285-9461INTERCHANGEABLE
SEAL,PLAIN ENCASED
28531A
5342-00-567-3122INTERCHANGEABLE
LOCK,DEAD BOLT
4871
5930-00-681-0528INTERCHANGEABLE
SWITCH,ROTARY
121109LE
1660-00-794-0858INTERCHANGEABLE
FACEPIECE,MASK,OXYGEN
1660-00-794-0868INTERCHANGEABLE
HARDSHELL ASSEMBLY
450-09A
1660-00-810-3225INTERCHANGEABLE
MASK,OXYGEN
6515-01-006-5801INTERCHANGEABLE
INTRAVENOUS INJECTION SET
4871
4940-01-033-6634INTERCHANGEABLE
HOLDER,FLEXIBLE
5120-01-073-3881INTERCHANGEABLE
PRESS,BUSHING
GS15914-1

Frequently Asked Questions

What is NSN 1660-00-794-0857?

NSN 1660-00-794-0857 is a Facepiece,mask,oxygen, 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 1660-00-794-0857?

NSN 1660-00-794-0857 has 7 cross-referenced part numbers: 450-08 (Avox Systems Inc Dba Avox Systems Inc), G005-1029-01 (Gentex Corp), M27274-F40 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-27274 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 60D3515 (Department of the Air Force) and 2 more.

What NSN replaces 1660-00-794-0857?

There are 12 known substitutes for 1660-00-794-0857: 6520-00-055-1519, 5330-00-168-2103, 5360-00-213-0480 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 450-08?

Key specifications for 450-08: FSC Application Data: ACFT,MASK,OXYGEN; General Characteristics Item Description: RUBBER,SILICONE,4.734 IN. LG,4.609 W,SHORT NARROW W. 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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