PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RS1Dampener,fluid Pressure

Ashcroft Inc Dba Heise · NSN 6685-01-265-8635 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-265-8635 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-265-8635. Primary manufacturer part number: RS1.
Features
  • Dampener,fluid Pressure — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-265-8635, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. This item has 2 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.

Catalog Facts
Item NameDampener,fluid Pressure
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersWeksler Glass Thermometer Corp (CAGE 64467); Ashcroft Inc Dba Heise (CAGE 049X3)
Technical Specifications
ParameterValue
NSN6685-01-265-8635
Primary Part NumberRS1
Item NameDampener,fluid Pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-281-0052450 INTERCHANGEABLE
Cover,junction Box
Ni Industries Inc Bowers Mfg Co Div
5975-00-642-8606RS1 INTERCHANGEABLE
Conduit Outlet
Egs Electrical Group Appleton Div
6625-00-759-9887 INTERCHANGEABLE
Resolver Standard
6140-00-883-2055411550-060 INTERCHANGEABLE
Battery,storage
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5935-01-019-5126 INTERCHANGEABLE
Socket,plug-in Electronic Compon
4520-01-047-2278382678 INTERCHANGEABLE
Heating Element,electrical,nonim
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4810-01-057-2136RS-1 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Illinois Tool Works, Inc. Div Eh Wachs
6650-01-065-9501RS-1 INTERCHANGEABLE
Lamp Monitor and Control
Gamma Scientific Inc
6625-01-085-2225RS-1A INTERCHANGEABLE
Meter,multiple Scale
Fluke Corp
6625-01-242-6146 INTERCHANGEABLE
Reflectance Standard
Cross-Reference Index
Part NumberManufacturer
RS2 Weksler Glass Thermometer Corp (USA)
RS1 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
5975-00-281-0052INTERCHANGEABLE
COVER,JUNCTION BOX
450
5975-00-642-8606INTERCHANGEABLE
CONDUIT OUTLET
RS1
6625-00-759-9887INTERCHANGEABLE
RESOLVER STANDARD
6140-00-883-2055INTERCHANGEABLE
BATTERY,STORAGE
411550-060
5935-01-019-5126INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4520-01-047-2278INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
382678
4810-01-057-2136INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
RS-1
6650-01-065-9501INTERCHANGEABLE
LAMP MONITOR AND CONTROL
RS-1
6625-01-085-2225INTERCHANGEABLE
METER,MULTIPLE SCALE
RS-1A
6625-01-242-6146INTERCHANGEABLE
REFLECTANCE STANDARD
4820-01-256-3642INTERCHANGEABLE
COUPLING,ACTUATOR-HANDWHEEL,VALV
57364-01
5310-01-259-0298INTERCHANGEABLE
WASHER,SPLIT
PMS91820-001-01

Frequently Asked Questions

What is NSN 6685-01-265-8635?

NSN 6685-01-265-8635 is a Dampener,fluid Pressure, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-265-8635?

NSN 6685-01-265-8635 has 2 cross-referenced part numbers: RS2 (Weksler Glass Thermometer Corp), RS1 (Ashcroft Inc Dba Heise).

What NSN replaces 6685-01-265-8635?

There are 12 known substitutes for 6685-01-265-8635: 5975-00-281-0052, 5975-00-642-8606, 6625-00-759-9887 and 9 more. Verify interchangeability with system specifications before substitution.

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