PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8791666Indicator,humidity,plug

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament · NSN 6685-00-641-3176 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-641-3176 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-641-3176. Primary manufacturer part number: 8791666.
Features
  • Indicator,humidity,plug — FSC 6685
  • Thread Quantity Per Inch: 18 SINGLE END
  • Nominal Thread Size: 1.438 INCHES SINGLE END IN
  • Thread Direction: RIGHT-HAND SINGLE END
  • Features Provided: REFILLABLE
  • Thread Series Designator: UNS SINGLE END
  • 15 verified cross-references
  • Primary manufacturer: Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,humidity,plug, cataloged under National Stock Number 6685-00-641-3176, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-641-3176
Primary Part Number8791666
Item NameIndicator,humidity,plug
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
StatusCANCELLED
Thread Quantity Per Inch18 SINGLE END
Nominal Thread Size1.438 INCHES SINGLE END IN
Thread DirectionRIGHT-HAND SINGLE END
Features ProvidedREFILLABLE
Thread Series DesignatorUNS SINGLE END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3020-00-486-8143GC14-21P1 INTERCHANGEABLE
Gear,spur
Secs Inc
3030-00-528-3787 INTERCHANGEABLE
Belt,v
5950-00-578-5251H121 INTERCHANGEABLE
Transformer,power
Magnetika Inc
6685-00-808-6955ZSP6-608 INTERCHANGEABLE
Indicator,humidity,plug
Star Cases Llc Dba Zero Manufacturing
3455-00-984-3405 INTERCHANGEABLE
File,rotary
3510-01-326-0704H 121 INTERCHANGEABLE
Card,timer
Henrici Controls Corporation
5306-01-330-51951128232 INTERCHANGEABLE
Bolt Blank
Lake Shore Systems, Inc.
5360-01-493-9516 INTERCHANGEABLE
Spring,flat
Cross-Reference Index
Part NumberManufacturer
826363-00 Defense Reduction Agency (USA)
HI21 Lennan Lights Inc (USA)
ZSP608 Star Cases Llc Dba Zero Manufacturing (USA)
4751-10 Ministerie Van Defensie Commitdefensie Munitiebedrijf (NLD)
10975198 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
8791666 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
ZSP6-608 Zero Corp Dba Apw Wrightline (USA)
H121 Lennan Lights Inc (USA)
1128232 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
LD252731 Naval Sea Systems Command (USA)
H121 Star Cases Llc Dba Zero Manufacturing (USA)
HI21 Star Cases Llc Dba Zero Manufacturing (USA)
1128232 Naval Sea Systems Command (USA)
9082044 Us Army Aviation and Missile Command (USA)
LD252731 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3020-00-486-8143INTERCHANGEABLE
GEAR,SPUR
GC14-21P1
3030-00-528-3787INTERCHANGEABLE
BELT,V
5950-00-578-5251INTERCHANGEABLE
TRANSFORMER,POWER
H121
6685-00-808-6955INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
ZSP6-608
3455-00-984-3405INTERCHANGEABLE
FILE,ROTARY
3510-01-326-0704INTERCHANGEABLE
CARD,TIMER
H 121
5306-01-330-5195INTERCHANGEABLE
BOLT BLANK
1128232
5360-01-493-9516INTERCHANGEABLE
SPRING,FLAT

Frequently Asked Questions

What is NSN 6685-00-641-3176?

NSN 6685-00-641-3176 is a Indicator,humidity,plug, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-641-3176?

NSN 6685-00-641-3176 has 15 cross-referenced part numbers: 826363-00 (Defense Reduction Agency), HI21 (Lennan Lights Inc), ZSP608 (Star Cases Llc Dba Zero Manufacturing), 4751-10 (Ministerie Van Defensie Commitdefensie Munitiebedrijf), 10975198 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament) and 10 more.

What NSN replaces 6685-00-641-3176?

There are 8 known substitutes for 6685-00-641-3176: 3020-00-486-8143, 3030-00-528-3787, 5950-00-578-5251 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8791666?

Key specifications for 8791666: Overall Length: 0.688 INCHES NOMINAL IN; Thread Quantity Per Inch: 18 SINGLE END; Nominal Thread Size: 1.438 INCHES SINGLE END IN; Thread Direction: RIGHT-HAND SINGLE END. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-641-3176 still in active supply?

NSN 6685-00-641-3176 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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