PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138000Gage,vacuum,indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-845-2190 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-845-2190 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-845-2190. Primary manufacturer part number: 138000.
Features
  • Gage,vacuum,indicating — FSC 6685
  • Overall Diameter: 2.250 INCHES NOMINAL IN
  • Scale Smallest Increment: 1.0 INCHES OF MERCURY (INHG) IN
  • Pointer Type: INDICATING
  • Scale Range: +0.0 TO 30.0 INCHES OF MERCURY IN
  • Bezel Type: SNAP-ON
  • Scale Type: SINGLE
  • Actuation Type: SINGLE BOURDON TUBE
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-845-2190, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 8 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
NSN6685-00-845-2190
Primary Part Number138000
Item NameGage,vacuum,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Overall Diameter2.250 INCHES NOMINAL IN
Scale Smallest Increment1.0 INCHES OF MERCURY (INHG) IN
Pointer TypeINDICATING
Scale Range+0.0 TO 30.0 INCHES OF MERCURY IN
Bezel TypeSNAP-ON
Scale TypeSINGLE
Actuation TypeSINGLE BOURDON TUBE
Graduation Unit5.0 INCHES OF MERCURY IN
MaterialSTEEL CASE
Pointer ColorBLACK
Stud LocationBACK
Connection LocationBACK
Mounting MethodFLUSH PANEL
Scale Accuracy2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER
MaterialCOPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED
Dial Size2 IN. DIA IN
Scale NameVACUUM
Connection Quantity1
Surface TreatmentCHROMIUM LOCATION NOT OTHERWISE SPECIFIED
MaterialPLASTIC PROTECTIVE CRYSTAL
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Surface TreatmentENAMEL CASE
MaterialCOPPER ALLOY ACTUATING ELEMENT
Connection TypeEXTERNAL
Stud Quantity2
AdjustabilityNONADJUSTABLE
Connection Size0.125 IN. NPT IN
Connector Type VentNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-005-5529 INTERCHANGEABLE
Ammeter
5305-00-010-1190 INTERCHANGEABLE
Screw,machine
5935-00-080-9556335C637H02 INTERCHANGEABLE
Connector,plug,electrical
Goodrich Corporation
5315-00-104-4095S-399 INTERCHANGEABLE
Pin,actuator
Breeze-Eastern Llc
5961-00-117-3906 INTERCHANGEABLE
Parts Kit,holder Se
5998-00-127-6666101190 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
4720-00-191-9024S399 INTERCHANGEABLE
Hose,detuner,engine
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
6685-00-265-0912138010 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
5340-00-353-299312203 INTERCHANGEABLE
Bellows,protection
Tld Wollard Llc
3010-00-412-235810643 INTERCHANGEABLE
Insert,flexible Coupling
Rexnord Industries, Llc Div Couplings Division
Cross-Reference Index
Part NumberManufacturer
162644-0-30-1-8-2 Chief of Engineers Dept of Army (USA)
138000 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
S399 Burton Medical Products Corporation (USA)
10643 Ametek, Inc. Div Aerospace & Defense (USA)
644-0-30INSIZE2 Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls (USA)
101190 Ametek, Inc. Div Aerospace & Defense (USA)
V844U Ametek, Inc. Div Aerospace & Defense (USA)
010643 Ametek, Inc. Div Aerospace & Defense (USA)
V844 Ametek, Inc. Div Aerospace & Defense (USA)
10164 Tld Ace Corp Div Tld Ace (USA)
100110 Ametek, Inc. Div Aerospace & Defense (USA)
2930 PRIMARY Elliott Machine Works Inc (USA)
V845FF Ametek, Inc. Div Aerospace & Defense (USA)
V644U Ametek, Inc. Div Aerospace & Defense (USA)
1002400 Tld Ace Corp Div Tld Ace (USA)
644-0-30INSIZE2 Incom Intl Inc Morse Controls Div (USA)
V844U Ashcroft Inc Dba Heise (USA)
644 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6625-00-005-5529INTERCHANGEABLE
AMMETER
5305-00-010-1190INTERCHANGEABLE
SCREW,MACHINE
5935-00-080-9556INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
335C637H02
5315-00-104-4095INTERCHANGEABLE
PIN,ACTUATOR
S-399
5961-00-117-3906INTERCHANGEABLE
PARTS KIT,HOLDER SE
5998-00-127-6666INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101190
4720-00-191-9024INTERCHANGEABLE
HOSE,DETUNER,ENGINE
S399
6685-00-265-0912INTERCHANGEABLE
GAGE,VACUUM,INDICATING
138010
5340-00-353-2993INTERCHANGEABLE
BELLOWS,PROTECTION
12203
3010-00-412-2358INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
10643
5998-00-420-4093INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10643
5961-00-451-5915INTERCHANGEABLE
MOUNTING KIT,TRANSI

Frequently Asked Questions

What is NSN 6685-00-845-2190?

NSN 6685-00-845-2190 is a Gage,vacuum,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 6685-00-845-2190?

NSN 6685-00-845-2190 has 18 cross-referenced part numbers: 162644-0-30-1-8-2 (Chief of Engineers Dept of Army), 138000 (Ametek, Inc. Div Aerospace & Defense), S399 (Burton Medical Products Corporation), 10643 (Ametek, Inc. Div Aerospace & Defense), 644-0-30INSIZE2 (Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls) and 13 more.

What NSN replaces 6685-00-845-2190?

There are 12 known substitutes for 6685-00-845-2190: 6625-00-005-5529, 5305-00-010-1190, 5935-00-080-9556 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 138000?

Key specifications for 138000: Overall Diameter: 2.250 INCHES NOMINAL IN; Scale Smallest Increment: 1.0 INCHES OF MERCURY (INHG) IN; Pointer Type: INDICATING; Scale Range: +0.0 TO 30.0 INCHES OF MERCURY IN. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-845-2190 still in active supply?

NSN 6685-00-845-2190 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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