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Indicating Vacuum Gage

NSN: 6685-00-470-7731 | Model: MIL-I-18997

An item designed to measure the vacuum by means of a pressure sensitive element. The vacuum is indicated mechanically or digitally.

NSN Properties and Flags
NATO Stock Number
6685-00-470-7731
DEMIL
NO
Overall Depth
2.719 inches
Overall Diameter
3.969 inches
Case Material
Aluminum, die cast
Case Surface Treatment
Enamel, gray
Graduation Unit
5.0 inches of mercury
Actuation Type
Single bourdon tube
Adjustability
Adjustable
Scale Range
+0.0/+30.0 inches of mercury
Scale Name
Vacuum
Dial Size
3-1/2 in dia.
Connection Quantity
1
Pointer Color
Black and red
Pointer Type
Indicating and reference
Scale Type
Single
Scale Smallest Increment
0.5 inches of mercury
Connection Type
External
Mounting Method
Surface
Scale Accuracy
Porm 1 pct full range
Actuating Element Material
Nickel copper alloy
Scale Inscription/background Color
Black figures on white background
Connection Location
Back
Protective Crystal Material
Plastic
Connection Size
0.250 in. Tube
Connector Type Vent
Not provided
Nondefinitive Specification/std Data
A design and b type

Pricing and Availability

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NSN 6685-00-470-7731 Datasheet

Supply Class (FSC):
Humidity Measuring And Controlling Instruments Temperature Pressure
Cross Reference:
  • MIL-I-18997
  • G27-80REVG
  • 772296-1
  • SA233-VCF-RWBX
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Weksler Glass Thermometer Corp (CAGE 64467)
  • Raytheon Company (CAGE 96214)
Replacements:
  • 6685-00-470-7731 replaces 6685-00-476-2957
  • 6685-00-470-7731 replaces 6685-00-531-0551
  • 6685-00-470-7731 replaces 6685-00-542-1097
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

U - Precious metal content is unknown

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:

    653 - Musical instruments

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

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

  • LTL:

    J - 100.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    S9g
  • AAC
    Y
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9g-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $249.24 to $415.40..
Does NSN 6685-00-470-7731 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Canada, New Zealand, and Turkey
What is the NIIN of NSN 6685-00-470-7731?
004707731 or 00-470-7731
Does NSN 6685-00-470-7731 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6685-00-470-7731?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 06, 1970