PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

164434Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-052-7378 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-052-7378 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-052-7378. Primary manufacturer part number: 164434.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Connector Type Vent: NOT PROVIDED
  • Stud Quantity: 2
  • Mounting Method: FLUSH PANEL AND STUD(S) AND BRACKET(S)
  • Connection Size: 0.125 IN. NPT DIA IN
  • Surface Treatment: ENAMEL CASE
  • Connection Location: BACK, CENTER
  • Stud Location: BACK
Applications
  • Applications requiring Copper Alloy and Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-052-7378, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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
NSN6685-00-052-7378
Primary Part Number164434
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Connector Type VentNOT PROVIDED
Stud Quantity2
Mounting MethodFLUSH PANEL AND STUD(S) AND BRACKET(S)
Connection Size0.125 IN. NPT DIA IN
Surface TreatmentENAMEL CASE
Connection LocationBACK, CENTER
Stud LocationBACK
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale Accuracy2 PCT ACCURACY RATING MIDDLE HALF OF RANGE,3 PCT REMAINDER
Bezel TypeSNAP-ON
MaterialCOPPER ALLOY AND STEEL CASE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
AdjustabilityNONADJUSTABLE
Scale NamePRESSURE
Actuation TypeSINGLE BOURDON TUBE
Scale TypeSINGLE
Scale Range+0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS
Dial Size2-1/2 IN. DIA IN
Scale Smallest Increment20.0 POUNDS LBS
Graduation Unit100.0 POUNDS LBS
MaterialGLASS PROTECTIVE CRYSTAL
Overall Diameter2.813 INCHES NOMINAL IN
Pointer TypeINDICATING
Connection Quantity1
Pointer ColorBLACK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-012-070692499 INTERCHANGEABLE
Screw,cap,hexagon Head
Briggs and Stratton Corp
5120-00-015-1305 INTERCHANGEABLE
Blade,socket Head Screw Key
6685-00-082-1939164418 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5998-00-102-24327600-2 INTERCHANGEABLE
Circuit Card Assembly
Kahn Communications Inc
6685-00-248-6881164419 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6630-00-251-211876002 INTERCHANGEABLE
Distillation Test Apparatus,petr
Precision Scientific Petroleum Instruments Co
5905-00-255-9403710-1095-010 INTERCHANGEABLE
Resistor,fixed,wire Wound
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6685-00-264-3897P844UK INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-437-8347138026 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-515-5385101003 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
34U-181 Ellis & Watts International, Llc (USA)
000527378 Ametek, Inc. Div Aerospace & Defense (USA)
76002 Ametek, Inc. Div Aerospace & Defense (USA)
164434 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
106C7429P1 General Electric Company (USA)
26-402-030-0-601 Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA)
644 Ametek, Inc. Div Aerospace & Defense (USA)
P644 Ametek, Inc. Div Aerospace & Defense (USA)
138019 Ametek, Inc. Div Aerospace & Defense (USA)
P844U Ametek, Inc. Div Aerospace & Defense (USA)
138019-P844U Ametek, Inc. Div Aerospace & Defense (USA)
P844 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
5305-00-012-0706INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
92499
5120-00-015-1305INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
6685-00-082-1939INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164418
5998-00-102-2432INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7600-2
6685-00-248-6881INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164419
6630-00-251-2118INTERCHANGEABLE
DISTILLATION TEST APPARATUS,PETR
76002
5905-00-255-9403INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
710-1095-010
6685-00-264-3897INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
P844UK
6685-00-437-8347INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
138026
6685-00-515-5385INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
101003
6685-00-527-6163INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
047375A
6685-00-531-2019INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
82-4084

Frequently Asked Questions

What is NSN 6685-00-052-7378?

NSN 6685-00-052-7378 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 6685-00-052-7378?

NSN 6685-00-052-7378 has 12 cross-referenced part numbers: 34U-181 (Ellis & Watts International, Llc), 000527378 (Ametek, Inc. Div Aerospace & Defense), 76002 (Ametek, Inc. Div Aerospace & Defense), 164434 (Ametek, Inc. Div Aerospace & Defense), 106C7429P1 (General Electric Company) and 7 more.

What NSN replaces 6685-00-052-7378?

There are 12 known substitutes for 6685-00-052-7378: 5305-00-012-0706, 5120-00-015-1305, 6685-00-082-1939 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 164434?

Key specifications for 164434: Connector Type Vent: NOT PROVIDED; Stud Quantity: 2; Mounting Method: FLUSH PANEL AND STUD(S) AND BRACKET(S); Connection Size: 0.125 IN. NPT DIA IN. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-052-7378 still in active supply?

NSN 6685-00-052-7378 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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