PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25SDampener,fluid Pressure

Chemiquip Products Co Inc · NSN 6685-00-954-8449 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-954-8449 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-954-8449. Primary manufacturer part number: 25S.
Features
  • Dampener,fluid Pressure — FSC 6685
  • Gage End Connection Type: FEMALE
  • Fluid Type for Which Designed: AIR
  • Threaded Direct Pressure Connection: PROVIDED
  • Thread Size: 1/4-18
  • Connection Quantity: 2
  • Thread Location: INTERNAL AND EXTERNAL
  • Material: STEEL CORROSION RESISTING
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Dampener,fluid Pressure, cataloged under National Stock Number 6685-00-954-8449, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Chemiquip Products Co Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-954-8449
Primary Part Number25S
Item NameDampener,fluid Pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerChemiquip Products Co Inc
StatusCANCELLED
Gage End Connection TypeFEMALE
Fluid Type for Which DesignedAIR
Threaded Direct Pressure ConnectionPROVIDED
Thread Size1/4-18
Connection Quantity2
Thread LocationINTERNAL AND EXTERNAL
MaterialSTEEL CORROSION RESISTING
Nominal Pipe Size Designation0.250 INCHES IN
Screw Thread Series DesignatorNPT
Operating Pressure Range+0.0 TO 15000.0 POUNDS PER SQUARE INCH LBS
Removable PistonNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6220-00-056-6751 INTERCHANGEABLE
Light,dome
6750-00-286-269025S INTERCHANGEABLE
Paper,copying,diazo Process
Diazo Specialty Co Dba Dsc Systems Graphics
5120-00-293-3006HSF-25S INTERCHANGEABLE
Face,hammer,inserted
Williams J H Industrial Products Inc
5360-00-320-3106S8201-838068PC25 INTERCHANGEABLE
Spring,helical,extension
Naval Ship Systems Command
6625-00-539-8733 INTERCHANGEABLE
Ammeter
6625-00-539-8734 INTERCHANGEABLE
Voltmeter
3820-00-634-9344 INTERCHANGEABLE
Sheeting Driver Head,paving Brea
6680-00-963-847525S INTERCHANGEABLE
Snubber
Ashcroft Inc Dba Heise
3439-00-971-8930SI-25S 25W INTERCHANGEABLE
Soldering Iron,electric
Hexacon Electric Company
4320-01-051-857025S INTERCHANGEABLE
Motor,hydraulic
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
25S PRIMARY Chemiquip Products Co Inc (USA)
1-4 1112SG Ashcroft Inc Dba Heise (USA)
GS15W5-5G Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
DAM61 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
25SG Chemiquip Products Co Inc (USA)
Related Parts
6220-00-056-6751INTERCHANGEABLE
LIGHT,DOME
6750-00-286-2690INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
25S
5120-00-293-3006INTERCHANGEABLE
FACE,HAMMER,INSERTED
HSF-25S
5360-00-320-3106INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
S8201-838068PC25
6625-00-539-8733INTERCHANGEABLE
AMMETER
6625-00-539-8734INTERCHANGEABLE
VOLTMETER
3820-00-634-9344INTERCHANGEABLE
SHEETING DRIVER HEAD,PAVING BREA
6680-00-963-8475INTERCHANGEABLE
SNUBBER
25S
3439-00-971-8930INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
SI-25S 25W
4320-01-051-8570INTERCHANGEABLE
MOTOR,HYDRAULIC
25S
6350-01-169-2535INTERCHANGEABLE
TESTER,SMOKE DETECTOR
729-196-00
6685-01-285-0323INTERCHANGEABLE
DAMPENER,FLUID PRESSURE

Frequently Asked Questions

What is NSN 6685-00-954-8449?

NSN 6685-00-954-8449 is a Dampener,fluid Pressure, manufactured by Chemiquip Products Co Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-954-8449?

NSN 6685-00-954-8449 has 5 cross-referenced part numbers: 25S (Chemiquip Products Co Inc), 1-4 1112SG (Ashcroft Inc Dba Heise), GS15W5-5G (Hamilton Sundstrand Corporation Dba Collins Aerospace), DAM61 (Worthington Compressors Inc Air Power and Construction Equip Div), 25SG (Chemiquip Products Co Inc).

What NSN replaces 6685-00-954-8449?

There are 12 known substitutes for 6685-00-954-8449: 6220-00-056-6751, 6750-00-286-2690, 5120-00-293-3006 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25S?

Key specifications for 25S: Gage End Connection Type: FEMALE; Fluid Type for Which Designed: AIR; Threaded Direct Pressure Connection: PROVIDED; Overall Length: 1.469 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-954-8449 still in active supply?

NSN 6685-00-954-8449 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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