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Dial Indicating Differential Gage

NSN: 6685-00-078-9793 | Model: 227

An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive elemen (s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.

NSN Properties and Flags
NATO Stock Number
6685-00-078-9793
DEMIL
NO
Overall Depth
4.670 inches
Bolt Circle Diameter
7.000 inches
Mounting Hole Diameter
0.265 inches
Mounting Hole Quantity
4
Overall Diameter
7.500 inches
Case Material
Aluminum
Case Surface Treatment
Enamel
End Application
Lox tanks
Graduation Unit
200.000 gallons
Actuation Type
Double bellows
Adjustability
Adjustable
Scale Range
+0.0 to 2100.0 gallons of liquid oxygen
Scale Name
Gallons of oxygen
Dial Size
6 in. Dia
Connection Quantity
4
Pointer Color
Black
Pointer Type
Indicating
Scale Marking
Gallon of oxygen use no oil
Scale Type
Single
Scale Smallest Increment
50.000 gallons
Connection Type
Internal
Mounting Method
Flush panel
Scale Accuracy
1/2 of 1 pct accuracy rating entire range
Actuating Element Material
Steel, stainless
Scale Inscription/background Color
Black figures on white background
Connection Location
Lower
Bezel Type
Slips-on
Protective Crystal Material
Glass
Connection Size
1/4 in. Npt
Connector Type Vent
Not provided
Special Features
Calibrated to 0 to 85 in. Water cleaned for liquid oxygen service
Material
Aluminum
Material
Aluminum
Reference Data And Literature
T.O. 33a12-9-11 and t.O. 33a12-9-14
Surface Treatment
Paint
Surface Treatment
Paint, black

Pricing and Availability

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NSN 6685-00-078-9793 Datasheet

Supply Class (FSC):
Humidity Measuring And Controlling Instruments Temperature Pressure
Cross Reference:
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • C16291-2-20
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
  • 227
  • 200-6
  • D4R114451
  • C16291-2-20
Cage Codes:
  • Cameron Technologies Us, Inc. (CAGE 05991)
  • Philpot R D Industries Instrument (CAGE 88939)
  • Cosmodyne, Llc (CAGE 11243)
Schedule B & Trade:
  • Schedule B: 9026200000 (NAICS 334513)

    Instruments and apparatus for measuring or checking pressure

  • SITC: 87435

    Instruments and apparatus for measuring or checking the pressure of liquids or gases, n.E.S. (not supply etc. Meters and regulating etc. Apparatus)

  • End Use: 21160

    Measuring, testing, control instruments

Identification:
HMIC

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    121570 - Gages air liquid level pressure

  • WCC:

    651 - Instruments, medical and surgical

  • ACC:

    A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    J - 100.0

  • SHC:

    Q - High sensitivity, category ii, aa&e, classified confidential

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9qf-n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,243.28 to $5,405.47..
Does NSN 6685-00-078-9793 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force
What is the NIIN of NSN 6685-00-078-9793?
000789793 or 00-078-9793
Does NSN 6685-00-078-9793 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6685-00-078-9793?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Aug 07, 1967