PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

168538Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-486-0899 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-486-0899 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-486-0899. Primary manufacturer part number: 168538.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Hole Quantity: 3
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Surface Treatment: ENAMEL CASE
  • Color: BLACK CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Mounting Hole Diameter: 0.157 INCHES NOMINAL IN
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-486-0899, 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 9 commercial cross-references from 6 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
NSN6685-00-486-0899
Primary Part Number168538
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Mounting Hole Quantity3
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Surface TreatmentENAMEL CASE
ColorBLACK CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Mounting Hole Diameter0.157 INCHES NOMINAL IN
Bolt Circle Diameter4.630 INCHES NOMINAL IN
MaterialSTEEL CASE
Pointer ColorBLACK
Actuation TypeSINGLE BOURDON TUBE
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection TypeEXTERNAL
Scale Inscription/background ColorBLACK FIGURES,WHITE BACKGROUND
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Connection Quantity1
Pointer TypeINDICATING
Dial Size3-1/2 IN. DIA IN
Connection Size0.250 IN. NPT DIA IN
Connector Type VentNOT PROVIDED
Scale NamePRESSURE
Scale TypeSINGLE
Scale Accuracy2 PCT MIDDLE HALF OF SCALE,3 PCT REMAINDER
Scale Range+0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodFLUSH
Connection LocationLOWER
AdjustabilityNONADJUSTABLE
Bezel TypeSNAP-ON
Overall Diameter4.630 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3030-00-001-7833AX65 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
6685-00-066-4101114765-P500BF INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
3110-00-100-8536D21 INTERCHANGEABLE
Bearing,ball,thrust
Schaeffler Group Usa Inc
5120-00-181-6813LDH302 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
1650-00-348-859090616-2 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Northrop Grumman Systems Corporation
6685-00-453-900950871 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5310-00-491-083900525 INTERCHANGEABLE
Washer,flat
Defense Logistics Agency Dba Defense Supply Center Philadelphia
6685-00-514-560364973 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6240-00-525-91531.90100.013 INTERCHANGEABLE
Lamp,incandescent
Itt Schadow Inc
6685-00-527-6117 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
P500BF Ametek, Inc. Div Aerospace & Defense (USA)
ST83D62-1 Lockheed Martin Corp (USA)
005530 Ametek, Inc. Div Aerospace & Defense (USA)
5530 Ametek, Inc. Div Aerospace & Defense (USA)
AA13-PPF4-LWXX Weksler Glass Thermometer Corp (USA)
AA13-YPF4-LWXX Ashcroft Inc Dba Heise (USA)
90616 Streets and Roads Equipment Co (USA)
168538 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
1CFPR Desco Corp Marsh Bellofram Div (USA)
Related Parts
3030-00-001-7833INTERCHANGEABLE
BELT,V
AX65
6685-00-066-4101INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
114765-P500BF
3110-00-100-8536INTERCHANGEABLE
BEARING,BALL,THRUST
D21
5120-00-181-6813INTERCHANGEABLE
SOCKET,SOCKET WRENCH
LDH302
1650-00-348-8590INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
90616-2
6685-00-453-9009INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
50871
5310-00-491-0839INTERCHANGEABLE
WASHER,FLAT
00525
6685-00-514-5603INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
64973
6240-00-525-9153INTERCHANGEABLE
LAMP,INCANDESCENT
1.90100.013
6685-00-527-6117INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-527-6186INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-527-6188INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-486-0899?

NSN 6685-00-486-0899 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 6685-00-486-0899?

NSN 6685-00-486-0899 has 9 cross-referenced part numbers: P500BF (Ametek, Inc. Div Aerospace & Defense), ST83D62-1 (Lockheed Martin Corp), 005530 (Ametek, Inc. Div Aerospace & Defense), 5530 (Ametek, Inc. Div Aerospace & Defense), AA13-PPF4-LWXX (Weksler Glass Thermometer Corp) and 4 more.

What NSN replaces 6685-00-486-0899?

There are 12 known substitutes for 6685-00-486-0899: 3030-00-001-7833, 6685-00-066-4101, 3110-00-100-8536 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 168538?

Key specifications for 168538: Mounting Hole Quantity: 3; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Surface Treatment: ENAMEL CASE; Color: BLACK CASE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-486-0899 still in active supply?

NSN 6685-00-486-0899 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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