PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

135172Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-826-2081 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-826-2081 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-826-2081. Primary manufacturer part number: 135172.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 3.891 INCHES NOMINAL IN
  • Material: STA000 AND COPPER CASE
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Surface Treatment: ENAMEL CASE
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Scale Type: SINGLE
Applications
  • Applications requiring STA000 and Copper Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-826-2081, 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 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-826-2081
Primary Part Number135172
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
Overall Diameter3.891 INCHES NOMINAL IN
MaterialSTA000 AND COPPER CASE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
MaterialPLASTIC PROTECTIVE CRYSTAL
Surface TreatmentENAMEL CASE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Scale TypeSINGLE
Pointer TypeINDICATING
Scale NamePRESSURE
AdjustabilityADJUSTABLE
Graduation Unit5.000 POUNDS PER SQUARE INCH LBS
Pointer ColorBLACK
Actuation TypeSINGLE BOURDON TUBE
Bezel TypeTHREAD
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Dial Size3-1/2 IN. DIA IN
Connection Quantity1
Connection TypeEXTERNAL
Scale Range+0.000 TO 30.000 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Smallest Increment1.000 POUNDS PER SQUARE INCH (PSI) LBS
Scale Accuracy2 PCT ENTIRE RANGE
Connection Size0.250 IN. NPT DIA IN
Connection LocationBOTTOM
Connector Type VentNOT PROVIDED
Mounting MethodRIGID STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-853-5958SMB413546 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6150-01-485-2280135172 INTERCHANGEABLE
Wiring Harness,branched
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
135172 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
19-9013086-5 Aerojet Rocketdyne of De, Inc (USA)
KWG31-30 Bellofram Corporation (USA)
P500 Ametek, Inc. Div Aerospace & Defense (USA)
3 1-2 1PCPSR1-4BM30 Desco Corp Marsh Bellofram Div (USA)
A11634 C R Colony Co Filcore Water Conditioning (USA)
KWG31-30 Desco Corp Marsh Bellofram Div (USA)
3 1-2 1PCPSR1-4BM30 Bellofram Corporation (USA)
Related Parts
5999-00-853-5958INTERCHANGEABLE
CONTACT,ELECTRICAL
SMB413546
6150-01-485-2280INTERCHANGEABLE
WIRING HARNESS,BRANCHED
135172

Frequently Asked Questions

What is NSN 6685-00-826-2081?

NSN 6685-00-826-2081 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-826-2081?

NSN 6685-00-826-2081 has 8 cross-referenced part numbers: 135172 (Ametek, Inc. Div Aerospace & Defense), 19-9013086-5 (Aerojet Rocketdyne of De, Inc), KWG31-30 (Bellofram Corporation), P500 (Ametek, Inc. Div Aerospace & Defense), 3 1-2 1PCPSR1-4BM30 (Desco Corp Marsh Bellofram Div) and 3 more.

What NSN replaces 6685-00-826-2081?

There are 2 known substitutes for 6685-00-826-2081: 5999-00-853-5958, 6150-01-485-2280. Verify interchangeability with system specifications before substitution.

What are the specifications of 135172?

Key specifications for 135172: Overall Diameter: 3.891 INCHES NOMINAL IN; Material: STA000 AND COPPER CASE; Material: COPPER ALLOY 511 ACTUATING ELEMENT; Material: PLASTIC PROTECTIVE CRYSTAL. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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