PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

109121Mask,indicator Assembly

Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace · NSN 6610-00-126-6127 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-126-6127 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-126-6127. Primary manufacturer part number: 109121.
Features
  • Mask,indicator Assembly — FSC 6610
  • General Characteristics Item Description: ONE MASK COURSE DEVIATION; ONE POINTER,COURSE; ONE INDEX,RECIPROCAL COURSE; FOUR COURSE DEVIATION DOTS
  • 2 verified cross-references
  • Primary manufacturer: Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mask,indicator Assembly, cataloged under National Stock Number 6610-00-126-6127, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6610-00-126-6127
Primary Part Number109121
Item NameMask,indicator Assembly
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerSymetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
StatusACTIVE
General Characteristics Item DescriptionONE MASK COURSE DEVIATION; ONE POINTER,COURSE; ONE INDEX,RECIPROCAL COURSE; FOUR COURSE DEVIATION DOTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-282-6907NAS1149C1016L INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-00-342-648827034 INTERCHANGEABLE
Gasket
Briggs and Stratton Corp
5950-00-615-0659109121 INTERCHANGEABLE
Reactor
Cardwell Condenser Corp Lapointe-Admiral Div
8145-01-643-9461TL109121-1 INTERCHANGEABLE
Shipping and Storage Container,m
Batlite Lighting Llc
Cross-Reference Index
Part NumberManufacturer
109121 PRIMARY Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace (USA)
109121 Astronautics Corporation of America (USA)
Related Parts
5310-00-282-6907INTERCHANGEABLE
WASHER,FLAT
NAS1149C1016L
5330-00-342-6488INTERCHANGEABLE
GASKET
27034
5950-00-615-0659INTERCHANGEABLE
REACTOR
109121
8145-01-643-9461INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M
TL109121-1

Frequently Asked Questions

What is NSN 6610-00-126-6127?

NSN 6610-00-126-6127 is a Mask,indicator Assembly, manufactured by Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-126-6127?

NSN 6610-00-126-6127 has 2 cross-referenced part numbers: 109121 (Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace), 109121 (Astronautics Corporation of America).

What NSN replaces 6610-00-126-6127?

There are 4 known substitutes for 6610-00-126-6127: 5310-00-282-6907, 5330-00-342-6488, 5950-00-615-0659 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 109121?

Key specifications for 109121: General Characteristics Item Description: ONE MASK COURSE DEVIATION; ONE POINTER,COURSE; ONE INDEX,RECIPROCAL COURSE; FOUR COURSE DEVIATION DOTS. 1 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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