PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

628422Indicator,humidity,plug

L3harris Cincinnati Electronics Corporation · NSN 6685-01-316-4794 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-316-4794 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-316-4794. Primary manufacturer part number: 628422.
Features
  • Indicator,humidity,plug — FSC 6685
  • Thread Quantity Per Inch: 20 SINGLE END
  • Style Designator: PLUG
  • Desiccant Spot Humidity Percentage: 20.0 AND 30.0 AND 40.0
  • Thread Direction: RIGHT-HAND SINGLE END
  • Thread Class: 2A SINGLE END A
  • Material: COPPER ALLOY
  • Thread Series Designator: UNF SINGLE END
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,humidity,plug, cataloged under National Stock Number 6685-01-316-4794, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is L3harris Cincinnati Electronics Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-316-4794
Primary Part Number628422
Item NameIndicator,humidity,plug
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerL3harris Cincinnati Electronics Corporation
StatusACTIVE
Thread Quantity Per Inch20 SINGLE END
Style DesignatorPLUG
Desiccant Spot Humidity Percentage20.0 AND 30.0 AND 40.0
Thread DirectionRIGHT-HAND SINGLE END
Thread Class2A SINGLE END A
MaterialCOPPER ALLOY
Thread Series DesignatorUNF SINGLE END
Width Across Flats0.875 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES SINGLE END IN
Features ProvidedREFILLABLE
End Connection TypeTHREADED EXTERNAL, GASKET SEAL SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-005-5035 INTERCHANGEABLE
Shaft,shouldered
5961-00-103-4430 INTERCHANGEABLE
Transistor
5310-00-197-33063646 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
4730-00-504-19082565033-1 INTERCHANGEABLE
Tee,pipe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5365-00-520-2652628422 INTERCHANGEABLE
Shim
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2915-00-568-9318628422 INTERCHANGEABLE
Bearing,drive Shaft
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
3010-00-709-7431 INTERCHANGEABLE
Clutch,sliding Sleeve,nonvehicul
2530-00-846-2180 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5310-00-993-05112W1-17-14-32 INTERCHANGEABLE
Washer,flat
The Boeing Company Div Legacy Am&m
6515-01-207-3772 INTERCHANGEABLE
Suction Kit,tracheal
Cross-Reference Index
Part NumberManufacturer
628422 Clariant Corp Div Clariant Corporation (USA)
628422 PRIMARY L3harris Cincinnati Electronics Corporation (USA)
3646 Clariant Corp Div Clariant Corporation (USA)
Related Parts
3040-00-005-5035INTERCHANGEABLE
SHAFT,SHOULDERED
5961-00-103-4430INTERCHANGEABLE
TRANSISTOR
5310-00-197-3306INTERCHANGEABLE
WASHER,LOCK
3646
4730-00-504-1908INTERCHANGEABLE
TEE,PIPE
2565033-1
5365-00-520-2652INTERCHANGEABLE
SHIM
628422
2915-00-568-9318INTERCHANGEABLE
BEARING,DRIVE SHAFT
628422
3010-00-709-7431INTERCHANGEABLE
CLUTCH,SLIDING SLEEVE,NONVEHICUL
2530-00-846-2180INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5310-00-993-0511INTERCHANGEABLE
WASHER,FLAT
2W1-17-14-32
6515-01-207-3772INTERCHANGEABLE
SUCTION KIT,TRACHEAL
4710-01-273-3745INTERCHANGEABLE
TUBE ASSEMBLY,METAL
62842-2
6145-01-498-4723INTERCHANGEABLE
WIRE,ELECTRICAL
3646

Frequently Asked Questions

What is NSN 6685-01-316-4794?

NSN 6685-01-316-4794 is a Indicator,humidity,plug, manufactured by L3harris Cincinnati Electronics Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-316-4794?

NSN 6685-01-316-4794 has 3 cross-referenced part numbers: 628422 (Clariant Corp Div Clariant Corporation), 628422 (L3harris Cincinnati Electronics Corporation), 3646 (Clariant Corp Div Clariant Corporation).

What NSN replaces 6685-01-316-4794?

There are 12 known substitutes for 6685-01-316-4794: 3040-00-005-5035, 5961-00-103-4430, 5310-00-197-3306 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 628422?

Key specifications for 628422: Thread Quantity Per Inch: 20 SINGLE END; Style Designator: PLUG; End Item Identification: AN/AAR-44(AC-130 A/C),RECEIVER SET,INFRARED WARNING A; Desiccant Spot Humidity Percentage: 20.0 AND 30.0 AND 40.0. 13 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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