PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146021-A(V500)Gage,vacuum,indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-085-4865 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-085-4865 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-085-4865. Primary manufacturer part number: 146021-A(V500).
Features
  • Gage,vacuum,indicating — FSC 6685
  • Surface Treatment: ENAMEL CASE
  • Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND
  • Connection Location: BACK
  • Material: STEEL CASE
  • Scale Accuracy: PORM 2 PCT MIDDLE; 3 PCT REMAINDER
  • Connection Size: 0.125 IN. NPT DIA IN
  • Pointer Color: BLACK
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-085-4865, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN6685-00-085-4865
Primary Part Number146021-A(V500)
Item NameGage,vacuum,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Surface TreatmentENAMEL CASE
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Connection LocationBACK
MaterialSTEEL CASE
Scale AccuracyPORM 2 PCT MIDDLE; 3 PCT REMAINDER
Connection Size0.125 IN. NPT DIA IN
Pointer ColorBLACK
Connection Quantity1
Dial Size1-1/2 IN. DIA IN
Scale Smallest Increment1.0 INCHES IN
Graduation Unit5.0 INCHES IN
Actuation TypeBOURDON TUBE
Pointer TypeINDICATING
AdjustabilityADJUSTABLE
Scale TypeSINGLE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY ACTUATING ELEMENT
Scale NameVACUUM
Scale Range+0.0 TO 30.0 INCHES OF VACUUM IN
Overall Diameter1.660 INCHES NOMINAL IN
Connector Type VentNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-019-3157 INTERCHANGEABLE
Lamp,incandescent
5975-00-038-2357 INTERCHANGEABLE
Raceway,metallic
6685-00-052-729820 1005 01B 30/VAC INTERCHANGEABLE
Gage,vacuum,indicating
Ashcroft Inc Dba Heise
4820-00-070-6928381-6 PL0856-B0 INTERCHANGEABLE
Valve,angle
Admiral Valve Llc Dba Cpv Manufacturing
6685-00-248-6887047104 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-276-923847103 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
5307-00-410-814438-16 INTERCHANGEABLE
Stud,plain
Textron Lycoming Inc Williamsport Plant
6685-00-432-81073816 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Kahl Scientific Instrument Corporation
6685-00-530-014510685-0 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
5950-00-628-3090SC-C-65313-1 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
516V Ametek, Inc. Div Aerospace & Defense (USA)
381-6 Tactair Fluid Controls Inc (USA)
499-020-120 L3harris Interstate Electronics Corporation (USA)
6685PL0826173 Jednolity Indeks Materialowy - Uniform Material Index (POL)
V500 Ametek, Inc. Div Aerospace & Defense (USA)
897386 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
146021-A(V500) PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
146021 Ametek, Inc. Div Aerospace & Defense (USA)
A5390-1 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6240-00-019-3157INTERCHANGEABLE
LAMP,INCANDESCENT
5975-00-038-2357INTERCHANGEABLE
RACEWAY,METALLIC
6685-00-052-7298INTERCHANGEABLE
GAGE,VACUUM,INDICATING
20 1005 01B 30/VAC
4820-00-070-6928INTERCHANGEABLE
VALVE,ANGLE
381-6 PL0856-B0
6685-00-248-6887INTERCHANGEABLE
GAGE,VACUUM,INDICATING
047104
6685-00-276-9238INTERCHANGEABLE
GAGE,VACUUM,INDICATING
47103
5307-00-410-8144INTERCHANGEABLE
STUD,PLAIN
38-16
6685-00-432-8107INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
3816
6685-00-530-0145INTERCHANGEABLE
GAGE,VACUUM,INDICATING
10685-0
5950-00-628-3090INTERCHANGEABLE
COIL,RADIO FREQUENCY
SC-C-65313-1
5310-00-638-4071INTERCHANGEABLE
NUT,PLAIN,WING
4320-00-712-8903INTERCHANGEABLE
SEAL PLATE,PUMP
3816

Frequently Asked Questions

What is NSN 6685-00-085-4865?

NSN 6685-00-085-4865 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 6685-00-085-4865?

NSN 6685-00-085-4865 has 9 cross-referenced part numbers: 516V (Ametek, Inc. Div Aerospace & Defense), 381-6 (Tactair Fluid Controls Inc), 499-020-120 (L3harris Interstate Electronics Corporation), 6685PL0826173 (Jednolity Indeks Materialowy - Uniform Material Index), V500 (Ametek, Inc. Div Aerospace & Defense) and 4 more.

What NSN replaces 6685-00-085-4865?

There are 12 known substitutes for 6685-00-085-4865: 6240-00-019-3157, 5975-00-038-2357, 6685-00-052-7298 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 146021-A(V500)?

Key specifications for 146021-A(V500): Surface Treatment: ENAMEL CASE; Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND; Connection Location: BACK; Material: STEEL CASE. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-085-4865 still in active supply?

NSN 6685-00-085-4865 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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