PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A21013H01Probe,humidity-Temperature

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 6685-01-429-8922 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-429-8922 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-429-8922. Primary manufacturer part number: 1A21013H01.
Features
  • Probe,humidity-Temperature — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Probe,humidity-Temperature, cataloged under National Stock Number 6685-01-429-8922, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-429-8922
Primary Part Number1A21013H01
Item NameProbe,humidity-Temperature
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-360-57625990 INTERCHANGEABLE
Adapter,draw Bolt
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5330-00-364-68450S30974 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5998-00-494-84235984 INTERCHANGEABLE
Electronic Components Assembly
Avo Intl
5360-00-510-42005990 INTERCHANGEABLE
Spring,helical,compression
R.h. Industries, Inc.
1680-00-966-99185990-1 INTERCHANGEABLE
Support,seat Fittin
The Boeing Company Div Legacy Am&m
5340-01-104-9826359-5990 INTERCHANGEABLE
Plug,vent
Stemco Inc Sub of Coltec Industries Inc
6105-01-369-2427E971 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
2530-01-624-26035990 INTERCHANGEABLE
Shaft Tube
Teledyne Flir Unmanned Ground Systems, Inc
5310-01-665-35995990 INTERCHANGEABLE
Washer,recessed
Horton Inc
Cross-Reference Index
Part NumberManufacturer
1A21013H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
5990 Qualimetrics Inc (USA)
Related Parts
5120-00-360-5762INTERCHANGEABLE
ADAPTER,DRAW BOLT
5990
5330-00-364-6845INTERCHANGEABLE
GASKET
0S30974
5998-00-494-8423INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5984
5360-00-510-4200INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5990
1680-00-966-9918INTERCHANGEABLE
SUPPORT,SEAT FITTIN
5990-1
5340-01-104-9826INTERCHANGEABLE
PLUG,VENT
359-5990
6105-01-369-2427INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E971
2530-01-624-2603INTERCHANGEABLE
SHAFT TUBE
5990
5310-01-665-3599INTERCHANGEABLE
WASHER,RECESSED
5990

Frequently Asked Questions

What is NSN 6685-01-429-8922?

NSN 6685-01-429-8922 is a Probe,humidity-Temperature, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-429-8922?

NSN 6685-01-429-8922 has 2 cross-referenced part numbers: 1A21013H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 5990 (Qualimetrics Inc).

What NSN replaces 6685-01-429-8922?

There are 9 known substitutes for 6685-01-429-8922: 5120-00-360-5762, 5330-00-364-6845, 5998-00-494-8423 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A21013H01?

Key specifications for 1A21013H01: Special Features: FUNCTION, TEMPERATURE/DEW POINT SENSOR; REFERENCE DATA, 7A1, TI-6340.37, ARSR-4 SYSTEM, FA-10313 WEATHER STATION (UNIT 7), SEC 1-11, PG 8-3; ASSET MUST BE RETURNED IN THE SHIPPING CONTAINER PROVIDED WITH THE UNIT; End Item Identification: ARSR-4, FA-10313 WEATHER STATION. 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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