PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81069Gage,pressure,dial Indicating

Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc · NSN 6685-00-684-2671 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-684-2671 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-684-2671. Primary manufacturer part number: 81069.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL CASE
  • Color: BLACK CASE
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Surface Treatment: ENAMEL CASE
  • Connection Type: EXTERNAL
  • Actuation Type: SINGLE BOURDON TUBE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-684-2671, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 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
NSN6685-00-684-2671
Primary Part Number81069
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCaldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc
StatusCANCELLED
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL CASE
ColorBLACK CASE
MaterialCOPPER ALLOY ACTUATING ELEMENT
Surface TreatmentENAMEL CASE
Connection TypeEXTERNAL
Actuation TypeSINGLE BOURDON TUBE
Dial Size2-1/2 IN. DIA IN
Scale NamePRESSURE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
AdjustabilityADJUSTABLE
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Scale Accuracy2 PERCENT ENTIRE RANGE
Connection LocationBACK
Connector Type VentNOT PROVIDED
Scale Range+0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Quantity1
Pointer ColorBLACK
Pointer TypeINDICATING
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Mounting MethodCLAMP
Connection Size0.250 IN. NPT DIA IN
Bezel TypeSLIPS-ON
Scale TypeSINGLE
Overall Diameter2.781 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-226-0948 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-248-6882164431 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
4310-00-267-5170292B INTERCHANGEABLE
Ring,piston
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5330-00-275-3392 INTERCHANGEABLE
Gasket
6210-00-295-2480801389 INTERCHANGEABLE
Lens,light
Stromberg-Carlson Corp a Plessey Telecommunications Co
5360-00-385-3767 INTERCHANGEABLE
Spring
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
6685-00-618-1759 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-727-8736 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
LFP-220-1137 Span Instruments Inc (USA)
LFP-220-1137 Thuemling Instrument Group, Inc. (USA)
LFP220-100PSI Thuemling Instrument Group, Inc. (USA)
40A47 Pullman Trailmobile a Div of Pullman Inc
J6248 Desco Corp Marsh Bellofram Div (USA)
25-1009A-02B-XUCPD100 Ashcroft Inc Dba Heise (USA)
LFP220-100PSI Span Instruments Inc (USA)
1521137 Thuemling Instrument Group, Inc. (USA)
1521137 Span Instruments Inc (USA)
23B Liftec Inc Div Liftec, Inc. (USA)
G10126 Liftec Inc Div Liftec, Inc. (USA)
81069 PRIMARY Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc (USA)
Related Parts
6685-00-226-0948INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-248-6882INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164431
4310-00-267-5170INTERCHANGEABLE
RING,PISTON
292B
5330-00-275-3392INTERCHANGEABLE
GASKET
6210-00-295-2480INTERCHANGEABLE
LENS,LIGHT
801389
5360-00-385-3767INTERCHANGEABLE
SPRING
6685-00-527-6163INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
047375A
6685-00-531-2019INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
82-4084
6685-00-618-1759INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-727-8736INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-785-6058INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-959-1336INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
138013

Frequently Asked Questions

What is NSN 6685-00-684-2671?

NSN 6685-00-684-2671 is a Gage,pressure,dial Indicating, manufactured by Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-684-2671?

NSN 6685-00-684-2671 has 12 cross-referenced part numbers: LFP-220-1137 (Span Instruments Inc), LFP-220-1137 (Thuemling Instrument Group, Inc.), LFP220-100PSI (Thuemling Instrument Group, Inc.), 40A47 (Pullman Trailmobile a Div of Pullman Inc), J6248 (Desco Corp Marsh Bellofram Div) and 7 more.

What NSN replaces 6685-00-684-2671?

There are 12 known substitutes for 6685-00-684-2671: 6685-00-226-0948, 6685-00-248-6882, 4310-00-267-5170 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81069?

Key specifications for 81069: Material: GLASS PROTECTIVE CRYSTAL; Material: STEEL CASE; Color: BLACK CASE; Material: COPPER ALLOY ACTUATING ELEMENT. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-684-2671 still in active supply?

NSN 6685-00-684-2671 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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