PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

108-04Dampener,fluid Pressure

Operating & Maintenance Specialties Inc · NSN 6685-01-058-3618 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-058-3618 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-058-3618. Primary manufacturer part number: 108-04.
Features
  • Dampener,fluid Pressure — FSC 6685
  • Screw Thread Series Designator: UNF
  • Operating Pressure Range: +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
  • Material: COPPER ALLOY
  • Tube Connection Type: FLARED
  • Thread Location: EXTERNAL
  • Connection Quantity: 1
  • Fluid Type for Which Designed: GAS AND LIQUID
Applications
  • Applications requiring Copper Alloy construction
General Description

The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-058-3618, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Operating & Maintenance Specialties Inc. Government technical data includes 11 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-058-3618
Primary Part Number108-04
Item NameDampener,fluid Pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerOperating & Maintenance Specialties Inc
StatusACTIVE
Screw Thread Series DesignatorUNF
Operating Pressure Range+0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY
Tube Connection TypeFLARED
Thread LocationEXTERNAL
Connection Quantity1
Fluid Type for Which DesignedGAS AND LIQUID
Threaded Direct Pressure ConnectionPROVIDED
Removable PistonPROVIDED
Piston Size Designation02
Thread Size9/16-18
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-152-1071144 INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
5910-00-196-116510805 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5330-00-291-6387183F30 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6680-00-386-737610804 INTERCHANGEABLE
Indicator,sight,liquid
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5130-00-488-198310804 INTERCHANGEABLE
Bit,screwdriver
Bondhus Corp
5365-00-529-844310804 INTERCHANGEABLE
Spacer,sleeve
Eaton Corporation
1660-00-779-310910804 INTERCHANGEABLE
Valve,pressure Regu
Mission Systems Orchard Park Inc
5950-00-824-3851577R729H25 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-973-8660575326-1 INTERCHANGEABLE
Washer,flat
Hamilton Sundstrand Corporation Dba Collins Aerospace
4130-01-065-1182 INTERCHANGEABLE
Clamp
Cross-Reference Index
Part NumberManufacturer
108-04 PRIMARY Operating & Maintenance Specialties Inc (USA)
108 Operating & Maintenance Specialties Inc (USA)
Related Parts
5975-00-152-1071INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
144
5910-00-196-1165INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10805
5330-00-291-6387INTERCHANGEABLE
SEAL,PLAIN ENCASED
183F30
6680-00-386-7376INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
10804
5130-00-488-1983INTERCHANGEABLE
BIT,SCREWDRIVER
10804
5365-00-529-8443INTERCHANGEABLE
SPACER,SLEEVE
10804
1660-00-779-3109INTERCHANGEABLE
VALVE,PRESSURE REGU
10804
5950-00-824-3851INTERCHANGEABLE
COIL,RADIO FREQUENCY
577R729H25
5310-00-973-8660INTERCHANGEABLE
WASHER,FLAT
575326-1
4130-01-065-1182INTERCHANGEABLE
CLAMP
5330-01-213-5305INTERCHANGEABLE
SEAL RING,METAL
10804
5930-01-368-8363INTERCHANGEABLE
SWITCH,TOGGLE
10804

Frequently Asked Questions

What is NSN 6685-01-058-3618?

NSN 6685-01-058-3618 is a Dampener,fluid Pressure, manufactured by Operating & Maintenance Specialties Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-058-3618?

NSN 6685-01-058-3618 has 2 cross-referenced part numbers: 108-04 (Operating & Maintenance Specialties Inc), 108 (Operating & Maintenance Specialties Inc).

What NSN replaces 6685-01-058-3618?

There are 12 known substitutes for 6685-01-058-3618: 5975-00-152-1071, 5910-00-196-1165, 5330-00-291-6387 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 108-04?

Key specifications for 108-04: Screw Thread Series Designator: UNF; Operating Pressure Range: +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS; Material: COPPER ALLOY; Tube Connection Type: FLARED. 14 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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