PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1758-3Barometer,aneroid

Aerosonic Llc · NSN 6685-00-986-2120 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-986-2120 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-986-2120. Primary manufacturer part number: 1758-3.
Features
  • Barometer,aneroid — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Barometer,aneroid, cataloged under National Stock Number 6685-00-986-2120, is classified within Federal Supply Class 6685 (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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBarometer,aneroid
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersAerosonic Llc (CAGE 98810)
Technical Specifications
ParameterValue
NSN6685-00-986-2120
Primary Part Number1758-3
Item NameBarometer,aneroid
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5985-00-038-3114SA15964 INTERCHANGEABLE
Probe,waveguide
Johnson Controls, Inc Div Building Efficiency
3455-00-129-572014140 INTERCHANGEABLE
Cutter,milling,corner Rounding
Niagara Cutter Inc
5905-00-556-47371 3-4Z219TVIT5000HM604SLD INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
5325-00-891-145217583 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5999-01-005-5136 INTERCHANGEABLE
Shielding Gasket,electronic
4820-01-275-2495A-1758 PC 11 INTERCHANGEABLE
Stem,fluid Valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-01-275-2546005-105-0103 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5950-01-441-310417583 INTERCHANGEABLE
Reactor
Olsun Electrics Corp
4920-01-583-662617583 INTERCHANGEABLE
Chain-Connecting Li
Better Engineering Manufacturing Inc
8455-01-665-9381 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
1758-3 PRIMARY Aerosonic Llc (USA)
A1758 Aerosonic Llc (USA)
Related Parts
5985-00-038-3114INTERCHANGEABLE
PROBE,WAVEGUIDE
SA15964
3455-00-129-5720INTERCHANGEABLE
CUTTER,MILLING,CORNER ROUNDING
14140
5905-00-556-4737INTERCHANGEABLE
RESISTOR,ADJUSTABLE
1 3-4Z219TVIT5000HM604SLD
5325-00-891-1452INTERCHANGEABLE
RING,RETAINING
17583
5999-01-005-5136INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
4820-01-275-2495INTERCHANGEABLE
STEM,FLUID VALVE
A-1758 PC 11
4820-01-275-2546INTERCHANGEABLE
DISK,VALVE
005-105-0103
5950-01-441-3104INTERCHANGEABLE
REACTOR
17583
4920-01-583-6626INTERCHANGEABLE
CHAIN-CONNECTING LI
17583
8455-01-665-9381INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 6685-00-986-2120?

NSN 6685-00-986-2120 is a Barometer,aneroid, manufactured by Aerosonic Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-986-2120?

NSN 6685-00-986-2120 has 2 cross-referenced part numbers: 1758-3 (Aerosonic Llc), A1758 (Aerosonic Llc).

What NSN replaces 6685-00-986-2120?

There are 10 known substitutes for 6685-00-986-2120: 5985-00-038-3114, 3455-00-129-5720, 5905-00-556-4737 and 7 more. Verify interchangeability with system specifications before substitution.

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