PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P500 1/8LM1 1/2IN-30PSIGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-764-3056 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-764-3056 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-764-3056. Primary manufacturer part number: P500 1/8LM1 1/2IN-30PSI.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Color: BLACK CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Material: BRONZE ACTUATING ELEMENT
  • Material: STEEL CASE
  • Surface Treatment: PAINT CRACKLE FINISH CASE
  • Connector Type Vent: NOT PROVIDED
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-764-3056, 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 18 commercial cross-references from 11 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
NSN6685-00-764-3056
Primary Part NumberP500 1/8LM1 1/2IN-30PSI
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
ColorBLACK CASE
MaterialGLASS PROTECTIVE CRYSTAL
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
MaterialBRONZE ACTUATING ELEMENT
MaterialSTEEL CASE
Surface TreatmentPAINT CRACKLE FINISH CASE
Connector Type VentNOT PROVIDED
Connection Quantity1
Connection LocationLOWER
Pointer TypeINDICATING
Pointer ColorBLACK
Graduation Unit5.0 POUNDS PER SQUARE INCH LBS
Connection TypeEXTERNAL
AdjustabilityNONADJUSTABLE
Actuation TypeSINGLE BOURDON TUBE
Overall Diameter1.719 INCHES NOMINAL IN
Scale NamePRESSURE
Connection Size0.125 IN. NPT IN
Scale TypeSINGLE
Mounting MethodRIGID STEM
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Bezel TypeSLIPS-ON
Dial Size1-1/2 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-599-2934112-7377 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
6685-00-618-3519087896 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Ametek, Inc. Div Aerospace & Defense
5965-00-689-1545020-520-001-000 INTERCHANGEABLE
Earphone Element
Roanwell, Llc
2520-00-737-370551630 INTERCHANGEABLE
Flange,companion,vehicular Unive
Chrysler Corp Detroit Universal Div
6620-00-800-1285 INTERCHANGEABLE
Gage,pressure,dial Indicating
3020-00-890-4593 INTERCHANGEABLE
Pulley,timing Belt
5940-01-132-436936948 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
6530-01-318-297051630 INTERCHANGEABLE
Pad,positioning,surgical
Olympic Medical Corp
2940-01-332-085051630 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
3020-01-416-332336948 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
962081 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
36948 Itt Industries Inc Itt Aerospace Communications Div East (USA)
3023 Andrew Llc (USA)
J0042E Desco Corp Marsh Bellofram Div (USA)
36948 L3harris Technologies, Inc. (USA)
8843718-1 Rca Corp Government and Commercial Systems Commercial Commications Systems Div (USA)
P500-30 Ametek, Inc. Div Aerospace & Defense (USA)
1AAA00300AAA Desco Corp Marsh Bellofram Div (USA)
6685PL1382299 Jednolity Indeks Materialowy - Uniform Material Index (POL)
8843718-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
6764-0 Ametek, Inc. Div Aerospace & Defense (USA)
34693-3 Desco Corp Marsh Bellofram Div (USA)
P500 1/8LM1 1/2IN-30PSI PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
15-1000-01L30 PRIMARY Ashcroft Inc Dba Heise (USA)
006764 Ametek, Inc. Div Aerospace & Defense (USA)
516-30 Ametek, Inc. Div Aerospace & Defense (USA)
3500 Andrew Llc (USA)
3024 Telectro Systems Corp
Related Parts
5331-00-599-2934INTERCHANGEABLE
O-RING
112-7377
6685-00-618-3519INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
087896
5965-00-689-1545INTERCHANGEABLE
EARPHONE ELEMENT
020-520-001-000
2520-00-737-3705INTERCHANGEABLE
FLANGE,COMPANION,VEHICULAR UNIVE
51630
6620-00-800-1285INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3020-00-890-4593INTERCHANGEABLE
PULLEY,TIMING BELT
5940-01-132-4369INTERCHANGEABLE
SPLICE,CONDUCTOR
36948
6530-01-318-2970INTERCHANGEABLE
PAD,POSITIONING,SURGICAL
51630
2940-01-332-0850INTERCHANGEABLE
FILTER ELEMENT,FLUID
51630
3020-01-416-3323INTERCHANGEABLE
GEAR RACK
36948
5950-01-478-6049INTERCHANGEABLE
COVER,COIL
36948
6850-01-507-7912INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
67640

Frequently Asked Questions

What is NSN 6685-00-764-3056?

NSN 6685-00-764-3056 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 6685-00-764-3056?

NSN 6685-00-764-3056 has 18 cross-referenced part numbers: 962081 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 36948 (Itt Industries Inc Itt Aerospace Communications Div East), 3023 (Andrew Llc), J0042E (Desco Corp Marsh Bellofram Div), 36948 (L3harris Technologies, Inc.) and 13 more.

What NSN replaces 6685-00-764-3056?

There are 12 known substitutes for 6685-00-764-3056: 5331-00-599-2934, 6685-00-618-3519, 5965-00-689-1545 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P500 1/8LM1 1/2IN-30PSI?

Key specifications for P500 1/8LM1 1/2IN-30PSI: Color: BLACK CASE; Material: GLASS PROTECTIVE CRYSTAL; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Material: BRONZE ACTUATING ELEMENT. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-764-3056 still in active supply?

NSN 6685-00-764-3056 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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