PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

164259AGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-171-8134 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-171-8134 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-171-8134. Primary manufacturer part number: 164259A.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: BRASS CASE
  • Scale Accuracy: 2 PERCENT RATING MIDDLE HALF OF RANGE
  • Connection Size: 0.250 IN. NPT IN
  • Material: GLASS PROTECTIVE CRYSTAL
  • Mounting Method: RIGID STEM
  • Material: GLASS PROTECTIVE CRYSTAL
  • Mounting Method: RIGID STEM
Applications
  • Applications requiring Brass Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-171-8134, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-171-8134
Primary Part Number164259A
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
MaterialBRASS CASE
Scale Accuracy2 PERCENT RATING MIDDLE HALF OF RANGE
Connection Size0.250 IN. NPT IN
MaterialGLASS PROTECTIVE CRYSTAL
Mounting MethodRIGID STEM
MaterialGLASS PROTECTIVE CRYSTAL
Mounting MethodRIGID STEM
Dial Size2 IN. DIA IN
Scale TypeSINGLE
Unable to DecodeUNABLE TO DECODE
Scale Accuracy2 PERCENT RATING MIDDLE HALF OF RANGE
Connection Quantity1
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Actuation TypeSINGLE BOURDON TUBE
Bezel TypeTHREAD
Connection TypeEXTERNAL
Pointer ColorBLACK
Connection LocationBOTTOM
Graduation Unit40.0 POUNDS PER SQUARE INCH LBS
Scale Range+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale NamePRESSURE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND,MAJOR GRADUATIONS RED
AdjustabilityNONADJUSTABLE
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection Size0.250 IN. NPT IN
Connection LocationBOTTOM
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND,MAJOR GRADUATIONS RED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-100-0641 INTERCHANGEABLE
Cup,tapered Roller Bearing
Cross-Reference Index
Part NumberManufacturer
164259A PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
6685001718134 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
045504 Ametek, Inc. Div Aerospace & Defense (USA)
164259 Ametek, Inc. Div Aerospace & Defense (USA)
16510204 Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division (USA)
8743890 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3110-00-100-0641INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING

Frequently Asked Questions

What is NSN 6685-00-171-8134?

NSN 6685-00-171-8134 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-171-8134?

NSN 6685-00-171-8134 has 6 cross-referenced part numbers: 164259A (Ametek, Inc. Div Aerospace & Defense), 6685001718134 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 045504 (Ametek, Inc. Div Aerospace & Defense), 164259 (Ametek, Inc. Div Aerospace & Defense), 16510204 (Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division) and 1 more.

What NSN replaces 6685-00-171-8134?

There is 1 known substitute for 6685-00-171-8134: 3110-00-100-0641. Verify interchangeability with system specifications before substitution.

What are the specifications of 164259A?

Key specifications for 164259A: Material: BRASS CASE; Scale Accuracy: 2 PERCENT RATING MIDDLE HALF OF RANGE; Connection Size: 0.250 IN. NPT IN; Material: GLASS PROTECTIVE CRYSTAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-171-8134 still in active supply?

NSN 6685-00-171-8134 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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