PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20 1005 01B 30/VACGage,vacuum,indicating

Ashcroft Inc Dba Heise · NSN 6685-00-052-7298 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-052-7298 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-052-7298. Primary manufacturer part number: 20 1005 01B 30/VAC.
Features
  • Gage,vacuum,indicating — FSC 6685
  • Connection Location: BACK
  • Material: GLASS PROTECTIVE CRYSTAL
  • Pointer Color: BLACK
  • Scale Smallest Increment: 1.0 INCHES IN
  • Graduation Unit: 5.0 INCHES IN
  • Dial Size: 2 IN. DIA IN
  • Scale Type: SINGLE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-052-7298, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN6685-00-052-7298
Primary Part Number20 1005 01B 30/VAC
Item NameGage,vacuum,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Connection LocationBACK
MaterialGLASS PROTECTIVE CRYSTAL
Pointer ColorBLACK
Scale Smallest Increment1.0 INCHES IN
Graduation Unit5.0 INCHES IN
Dial Size2 IN. DIA IN
Scale TypeSINGLE
Scale NameVACUUM
Actuation TypeBOURDON TUBE
Connection Quantity1
AdjustabilityADJUSTABLE
MaterialCOPPER ALLOY ACTUATING ELEMENT
Pointer TypeINDICATING
Scale Range+0.0 TO 30.0 INCHES OF VACUUM IN
Connection Size0.125 IN. NPT DIA IN
Connector Type VentNOT PROVIDED
Surface TreatmentENAMEL CASE
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Scale AccuracyPORM 2 PCT MIDDLE; 3 PCT REMAINDER
MaterialSTEEL CASE
Overall Diameter2.170 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-038-2357 INTERCHANGEABLE
Raceway,metallic
6685-00-085-4865146021-A(V500) INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-248-6887047104 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-276-9232047225A-V500 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-276-923847103 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
5995-00-509-3651XH-5689 INTERCHANGEABLE
Wiring Harness,branched
Heale Manufacturing Co Llc
6685-00-530-014510685-0 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
5305-00-771-94676565 INTERCHANGEABLE
Screw
Telemechanics Inc
5305-00-794-60096565 INTERCHANGEABLE
Thumbscrew
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
3610-00-982-3224 INTERCHANGEABLE
Gathering Machine,paper,motor Dr
Cross-Reference Index
Part NumberManufacturer
V501 Ametek, Inc. Div Aerospace & Defense (USA)
6565 Gny Equipment, Inc. (USA)
V500 Ametek, Inc. Div Aerospace & Defense (USA)
501S Ametek, Inc. Div Aerospace & Defense (USA)
20 1005 01B 30/VAC PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
5975-00-038-2357INTERCHANGEABLE
RACEWAY,METALLIC
6685-00-085-4865INTERCHANGEABLE
GAGE,VACUUM,INDICATING
146021-A(V500)
6685-00-248-6887INTERCHANGEABLE
GAGE,VACUUM,INDICATING
047104
6685-00-276-9232INTERCHANGEABLE
GAGE,VACUUM,INDICATING
047225A-V500
6685-00-276-9238INTERCHANGEABLE
GAGE,VACUUM,INDICATING
47103
5995-00-509-3651INTERCHANGEABLE
WIRING HARNESS,BRANCHED
XH-5689
6685-00-530-0145INTERCHANGEABLE
GAGE,VACUUM,INDICATING
10685-0
5305-00-771-9467INTERCHANGEABLE
SCREW
6565
5305-00-794-6009INTERCHANGEABLE
THUMBSCREW
6565
3610-00-982-3224INTERCHANGEABLE
GATHERING MACHINE,PAPER,MOTOR DR
4720-01-083-2452INTERCHANGEABLE
TUBING,NONMETALLIC
AE145-5
4940-01-206-1401INTERCHANGEABLE
CLAMP,PRESSURE TEST

Frequently Asked Questions

What is NSN 6685-00-052-7298?

NSN 6685-00-052-7298 is a Gage,vacuum,indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-052-7298?

NSN 6685-00-052-7298 has 5 cross-referenced part numbers: V501 (Ametek, Inc. Div Aerospace & Defense), 6565 (Gny Equipment, Inc.), V500 (Ametek, Inc. Div Aerospace & Defense), 501S (Ametek, Inc. Div Aerospace & Defense), 20 1005 01B 30/VAC (Ashcroft Inc Dba Heise).

What NSN replaces 6685-00-052-7298?

There are 12 known substitutes for 6685-00-052-7298: 5975-00-038-2357, 6685-00-085-4865, 6685-00-248-6887 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20 1005 01B 30/VAC?

Key specifications for 20 1005 01B 30/VAC: Overall Depth: 1.100 INCHES NOMINAL IN; Connection Location: BACK; Material: GLASS PROTECTIVE CRYSTAL; Pointer Color: BLACK. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-052-7298 still in active supply?

NSN 6685-00-052-7298 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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