PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P844UKGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-264-3897 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-264-3897 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-264-3897. Primary manufacturer part number: P844UK.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Bezel Type: SLIPS-ON
  • Material: STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Material: BRONZE ACTUATING ELEMENT
  • Connection Quantity: 1
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-264-3897, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN6685-00-264-3897
Primary Part NumberP844UK
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Bezel TypeSLIPS-ON
MaterialSTEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Overall Diameter4.000 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Connection Quantity1
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale TypeSINGLE
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection Size0.125 IN. NPT DIA IN
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
AdjustabilityNONADJUSTABLE
Pointer ColorBLACK
Stud LocationBACK
Actuation TypeSINGLE BOURDON TUBE
Mounting MethodSEMIFLUSH PANEL AND STUD(S) OR BRACKET(S)
Dial Size3-1/2 IN. DIA IN
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Connection TypeEXTERNAL
Scale NamePRESSURE
Connection LocationBACK, CENTER
Stud Quantity2
Scale Accuracy2 PCT MIDDLE HALF OF RANGE
Scale Range+0.0 TO 160.0 POUNDS PRESSURE PER SQUARE INCH LBS
Surface TreatmentENAMEL CASE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-052-7378164434 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-248-6881164419 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
3120-00-306-5790117547 INTERCHANGEABLE
Bearing,washer,thrust
Curtiss-Wright Controls, Inc. Div Actuation Division
5905-00-401-7444 INTERCHANGEABLE
Resistor,fixed,film
6685-00-437-8347138026 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5330-00-496-12153N2 INTERCHANGEABLE
Retainer,packing
Dana Off Highway Products, Llc
6685-00-515-5385101003 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-527-6163047375A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-531-201982-4084 INTERCHANGEABLE
Gage,pressure,dial Indicating
Marshall Excelsior Co
6620-00-557-0210164427 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
60-83 Dresser Industries Inc Leroi Div (USA)
117547 Ametek, Inc. Div Aerospace & Defense (USA)
P844UK PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
Q80230-5 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
P844U Ametek, Inc. Div Aerospace & Defense (USA)
89842 Ametek, Inc. Div Aerospace & Defense (USA)
C60-11 Dresser Industries Inc Leroi Div (USA)
Related Parts
6685-00-052-7378INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164434
6685-00-248-6881INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164419
3120-00-306-5790INTERCHANGEABLE
BEARING,WASHER,THRUST
117547
5905-00-401-7444INTERCHANGEABLE
RESISTOR,FIXED,FILM
6685-00-437-8347INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
138026
5330-00-496-1215INTERCHANGEABLE
RETAINER,PACKING
3N2
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
6620-00-557-0210INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164427
6685-00-580-9565INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164433
6685-00-581-2688INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164432

Frequently Asked Questions

What is NSN 6685-00-264-3897?

NSN 6685-00-264-3897 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 6685-00-264-3897?

NSN 6685-00-264-3897 has 7 cross-referenced part numbers: 60-83 (Dresser Industries Inc Leroi Div), 117547 (Ametek, Inc. Div Aerospace & Defense), P844UK (Ametek, Inc. Div Aerospace & Defense), Q80230-5 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), P844U (Ametek, Inc. Div Aerospace & Defense) and 2 more.

What NSN replaces 6685-00-264-3897?

There are 12 known substitutes for 6685-00-264-3897: 6685-00-052-7378, 6685-00-248-6881, 3120-00-306-5790 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P844UK?

Key specifications for P844UK: Bezel Type: SLIPS-ON; Overall Depth: 2.060 INCHES NOMINAL IN; Material: STEEL CASE; Material: GLASS PROTECTIVE CRYSTAL. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-264-3897 still in active supply?

NSN 6685-00-264-3897 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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