PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0750161Dampener,fluid Pressure

Watts Regulator Company · NSN 6685-01-515-4271 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-515-4271 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-515-4271. Primary manufacturer part number: 0750161.
Features
  • Dampener,fluid Pressure — FSC 6685
  • Threaded Direct Pressure Connection: PROVIDED
  • Material: COPPER AND COPPER ALLOY
  • Fluid Type for Which Designed: WATER
  • Nominal Pipe Size Designation: 0.750 INCHES IN
  • Thread Location: EXTERNAL
  • Connection Quantity: 1
  • Supplementary Features: CAGE CALLS THIS: SERIES 15 WATER HAMMER ARRESTOR
Applications
  • Applications requiring Copper and Copper Alloy construction
General Description

The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-515-4271, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Watts Regulator Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-515-4271
Primary Part Number0750161
Item NameDampener,fluid Pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWatts Regulator Company
StatusACTIVE
Threaded Direct Pressure ConnectionPROVIDED
MaterialCOPPER AND COPPER ALLOY
Fluid Type for Which DesignedWATER
Nominal Pipe Size Designation0.750 INCHES IN
Thread LocationEXTERNAL
Connection Quantity1
Supplementary FeaturesCAGE CALLS THIS: SERIES 15 WATER HAMMER ARRESTOR
Operating Pressure Range+0.0 TO 150.0 POUNDS PER SQUARE INCH LBS
Removable PistonPROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-364-87920750161 INTERCHANGEABLE
Spring,helical,compression
R. H. Sheppard Co., Inc. Dba Sheppard
Cross-Reference Index
Part NumberManufacturer
0750053 Watts Regulator Company (USA)
15-3/4 Watts Regulator Company (USA)
0750161 PRIMARY Watts Regulator Company (USA)
Related Parts
5360-00-364-8792INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
0750161

Frequently Asked Questions

What is NSN 6685-01-515-4271?

NSN 6685-01-515-4271 is a Dampener,fluid Pressure, manufactured by Watts Regulator Company, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-515-4271?

NSN 6685-01-515-4271 has 3 cross-referenced part numbers: 0750053 (Watts Regulator Company), 15-3/4 (Watts Regulator Company), 0750161 (Watts Regulator Company).

What NSN replaces 6685-01-515-4271?

There is 1 known substitute for 6685-01-515-4271: 5360-00-364-8792. Verify interchangeability with system specifications before substitution.

What are the specifications of 0750161?

Key specifications for 0750161: Threaded Direct Pressure Connection: PROVIDED; Special Features: COPPER BODY; BRASS PISTON, ADAPTER & CAP; EPDM O-RINGS; PRE-CHARGED, PERMANENTLY CAPPED & EPOXY SEALED; FDA APPROVED FOR USE IN POTABLE WATER SYSTEMS; Material: COPPER AND COPPER ALLOY; Fluid Type for Which Designed: WATER. 12 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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