PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50684Control,pneumatic a

General Regulator Corp. Dba Accudriv · NSN 6685-00-821-3027 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-821-3027 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-821-3027. Primary manufacturer part number: 50684.
Features
  • Control,pneumatic a — FSC 6685
  • General Characteristics Item Description: ALUMINUM AND STEEL,3.375 IN. LG,2.250 IN.W IN
  • 2 verified cross-references
  • Primary manufacturer: General Regulator Corp. Dba Accudriv
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Control,pneumatic a, cataloged under National Stock Number 6685-00-821-3027, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Regulator Corp. Dba Accudriv. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-821-3027
Primary Part Number50684
Item NameControl,pneumatic a
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerGeneral Regulator Corp. Dba Accudriv
StatusACTIVE
General Characteristics Item DescriptionALUMINUM AND STEEL,3.375 IN. LG,2.250 IN.W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-130-698150684 INTERCHANGEABLE
Parts Kit,hydraulic Motor
Parker Hannifin Corporation Div Hydraulic Systems Division
5999-00-257-5748972739 INTERCHANGEABLE
Contact,electrical
Westinghouse Electric Corp
5955-00-392-36561879 INTERCHANGEABLE
Oscillator,crystal Controlled
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
6145-00-643-0640 INTERCHANGEABLE
Wire,electrical
3460-00-678-8513BD2033R INTERCHANGEABLE
Wheel,abrasive
Silver Seal Products Co Inc
6250-00-804-356318-79 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
2920-00-843-8397 INTERCHANGEABLE
Winding,motor Field
4820-01-237-3258550-036 INTERCHANGEABLE
Valve
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
50684 General Regulator Corp. Dba Accudriv (USA)
1879 General Regulator Corp. Dba Accudriv (USA)
Related Parts
4320-00-130-6981INTERCHANGEABLE
PARTS KIT,HYDRAULIC MOTOR
50684
5999-00-257-5748INTERCHANGEABLE
CONTACT,ELECTRICAL
972739
5955-00-392-3656INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
1879
6145-00-643-0640INTERCHANGEABLE
WIRE,ELECTRICAL
3460-00-678-8513INTERCHANGEABLE
WHEEL,ABRASIVE
BD2033R
6250-00-804-3563INTERCHANGEABLE
LAMPHOLDER
18-79
2920-00-843-8397INTERCHANGEABLE
WINDING,MOTOR FIELD
4820-01-237-3258INTERCHANGEABLE
VALVE
550-036

Frequently Asked Questions

What is NSN 6685-00-821-3027?

NSN 6685-00-821-3027 is a Control,pneumatic a, manufactured by General Regulator Corp. Dba Accudriv, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-821-3027?

NSN 6685-00-821-3027 has 2 cross-referenced part numbers: 50684 (General Regulator Corp. Dba Accudriv), 1879 (General Regulator Corp. Dba Accudriv).

What NSN replaces 6685-00-821-3027?

There are 8 known substitutes for 6685-00-821-3027: 4320-00-130-6981, 5999-00-257-5748, 5955-00-392-3656 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50684?

Key specifications for 50684: General Characteristics Item Description: ALUMINUM AND STEEL,3.375 IN. LG,2.250 IN.W IN. 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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