PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12158Bar Assy

Aerosonic Llc · NSN 6610-00-955-2021 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-955-2021 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-955-2021. Primary manufacturer part number: 12158.
Features
  • Bar Assy — FSC 6610
  • 2 verified cross-references
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bar Assy, cataloged under National Stock Number 6610-00-955-2021, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aerosonic Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBar Assy
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersAerosonic Llc (CAGE 98810)
Technical Specifications
ParameterValue
NSN6610-00-955-2021
Primary Part Number12158
Item NameBar Assy
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1440-00-203-446158A164D182 INTERCHANGEABLE
Spoiler,missile Exh
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-236-03841-2158 INTERCHANGEABLE
Semiconductor Device,photo
American Hofmann Corp
1680-00-253-9432A12158 INTERCHANGEABLE
Parts Kit,actuator,
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
5970-00-983-8948A121-52 INTERCHANGEABLE
Insulator,bushing
Seastrom Manufacturing Co Inc
5365-01-103-2845 INTERCHANGEABLE
Spacer,sleeve
5310-01-126-509512158 INTERCHANGEABLE
Nut,self-Locking,hexagon
American Bristol Industries Inc.
6660-01-162-807512-158 INTERCHANGEABLE
Chamber,glass
The Kimco Distributing Corp
3010-01-445-055112158-510 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
5895-01-475-4699927430-0018 INTERCHANGEABLE
Converter,signal Data
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
12158 PRIMARY Aerosonic Llc (USA)
A12158 Aerosonic Llc (USA)
Related Parts
1440-00-203-4461INTERCHANGEABLE
SPOILER,MISSILE EXH
58A164D182
5961-00-236-0384INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
1-2158
1680-00-253-9432INTERCHANGEABLE
PARTS KIT,ACTUATOR,
A12158
5970-00-983-8948INTERCHANGEABLE
INSULATOR,BUSHING
A121-52
5365-01-103-2845INTERCHANGEABLE
SPACER,SLEEVE
5310-01-126-5095INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
12158
6660-01-162-8075INTERCHANGEABLE
CHAMBER,GLASS
12-158
3010-01-445-0551INTERCHANGEABLE
DRIVE UNIT,ANGLE
12158-510
5895-01-475-4699INTERCHANGEABLE
CONVERTER,SIGNAL DATA
927430-0018

Frequently Asked Questions

What is NSN 6610-00-955-2021?

NSN 6610-00-955-2021 is a Bar Assy, manufactured by Aerosonic Llc, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-955-2021?

NSN 6610-00-955-2021 has 2 cross-referenced part numbers: 12158 (Aerosonic Llc), A12158 (Aerosonic Llc).

What NSN replaces 6610-00-955-2021?

There are 9 known substitutes for 6610-00-955-2021: 1440-00-203-4461, 5961-00-236-0384, 1680-00-253-9432 and 6 more. Verify interchangeability with system specifications before substitution.

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