PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21383Shaft,differential Pressure Indi

Aerosonic Llc · NSN 6685-00-249-2797 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-249-2797 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-249-2797. Primary manufacturer part number: 21383.
Features
  • Shaft,differential Pressure Indi — 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 Shaft,differential Pressure Indi, cataloged under National Stock Number 6685-00-249-2797, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-249-2797
Primary Part Number21383
Item NameShaft,differential Pressure Indi
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-403-3165A21383 INTERCHANGEABLE
Gasket
Cnh Industrial America Llc Dba Cnh America
5930-00-889-7582SM-B-357345 INTERCHANGEABLE
Switch,rotary
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-01-114-2750 INTERCHANGEABLE
Switch,toggle
5330-01-254-919121383 INTERCHANGEABLE
Retainer,packing
Parker Hannifin Corporation Div Hydraulic Systems Division
5895-01-622-700521383 INTERCHANGEABLE
Comparator Module,signal
Gaylord Marine Services, Inc.
7035-01-733-821621383 INTERCHANGEABLE
Maintenance Kit,electronic Equip
Markforged Inc
Cross-Reference Index
Part NumberManufacturer
A21383 Aerosonic Llc (USA)
21383 PRIMARY Aerosonic Llc (USA)
Related Parts
5330-00-403-3165INTERCHANGEABLE
GASKET
A21383
5930-00-889-7582INTERCHANGEABLE
SWITCH,ROTARY
SM-B-357345
5930-01-114-2750INTERCHANGEABLE
SWITCH,TOGGLE
5330-01-254-9191INTERCHANGEABLE
RETAINER,PACKING
21383
5895-01-622-7005INTERCHANGEABLE
COMPARATOR MODULE,SIGNAL
21383
7035-01-733-8216INTERCHANGEABLE
MAINTENANCE KIT,ELECTRONIC EQUIP
21383

Frequently Asked Questions

What is NSN 6685-00-249-2797?

NSN 6685-00-249-2797 is a Shaft,differential Pressure Indi, manufactured by Aerosonic Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-249-2797?

NSN 6685-00-249-2797 has 2 cross-referenced part numbers: A21383 (Aerosonic Llc), 21383 (Aerosonic Llc).

What NSN replaces 6685-00-249-2797?

There are 6 known substitutes for 6685-00-249-2797: 5330-00-403-3165, 5930-00-889-7582, 5930-01-114-2750 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21383?

Key specifications for 21383: End Item Identification: ACFTMODEL C5A. 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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