PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F4C3V1Z0F0000Gage,vacuum,indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-01-171-9767 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-171-9767 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-171-9767. Primary manufacturer part number: F4C3V1Z0F0000.
Features
  • Gage,vacuum,indicating — FSC 6685
  • Material: GLASS LAMINATE PROTECTIVE CRYSTAL
  • Material: ALUMINUM ALLOY CASE
  • Dial Size: 4-1/2 IN. DIA IN
  • Scale Smallest Increment: 0.25 INCHES IN
  • Connection Type: EXTERNAL
  • Scale Type: SINGLE
  • Material: STEEL COMP 4130 ACTUATING ELEMENT
Applications
  • Applications requiring Glass Laminate Protective Crystal construction
General Description

The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-171-9767, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-171-9767
Primary Part NumberF4C3V1Z0F0000
Item NameGage,vacuum,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusACTIVE
MaterialGLASS LAMINATE PROTECTIVE CRYSTAL
MaterialALUMINUM ALLOY CASE
Dial Size4-1/2 IN. DIA IN
Scale Smallest Increment0.25 INCHES IN
Connection TypeEXTERNAL
Scale TypeSINGLE
MaterialSTEEL COMP 4130 ACTUATING ELEMENT
Pointer ColorBLACK
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Scale Range+0.0 TO 30.0 INCHES IN
Pointer TypeINDICATING
Connection LocationBACK
Connection Size0.250 IN. NPT DIA IN
Actuation TypeBOURDON TUBE
Graduation Unit3.0 INCHES IN
Material Document and ClassificationSAE 4130 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
Scale AccuracyPORM 1/2 PCT FULL SCALE
Connector Type VentNOT PROVIDED
Scale NameVACUUM
AdjustabilityADJUSTABLE
Connection Quantity1
Overall Diameter4.969 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-180-799771349 INTERCHANGEABLE
Terminal Board
Transico, Inc. Dba Eeco Switch
5315-00-263-524871349 INTERCHANGEABLE
Key,machine
John Deer Consumer Products Inc
2910-00-362-277322150 INTERCHANGEABLE
Ring
R. H. Sheppard Co., Inc. Dba Sheppard
6930-01-594-020771349 INTERCHANGEABLE
Headpiece Assembly
Cubic Defense Applications, Inc.
Cross-Reference Index
Part NumberManufacturer
71349 O T S I (USA)
45-1379SS-02B-XSG-30-HGVAC Ashcroft Inc Dba Heise (USA)
F4C3V1Z0F0000 PRIMARY Bristol Babcock Inc Helicoid Instruments Div (USA)
F4C3V100F0000 Bristol Babcock Inc Helicoid Instruments Div (USA)
Related Parts
5940-00-180-7997INTERCHANGEABLE
TERMINAL BOARD
71349
5315-00-263-5248INTERCHANGEABLE
KEY,MACHINE
71349
2910-00-362-2773INTERCHANGEABLE
RING
22150
6930-01-594-0207INTERCHANGEABLE
HEADPIECE ASSEMBLY
71349

Frequently Asked Questions

What is NSN 6685-01-171-9767?

NSN 6685-01-171-9767 is a Gage,vacuum,indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-171-9767?

NSN 6685-01-171-9767 has 4 cross-referenced part numbers: 71349 (O T S I), 45-1379SS-02B-XSG-30-HGVAC (Ashcroft Inc Dba Heise), F4C3V1Z0F0000 (Bristol Babcock Inc Helicoid Instruments Div), F4C3V100F0000 (Bristol Babcock Inc Helicoid Instruments Div).

What NSN replaces 6685-01-171-9767?

There are 4 known substitutes for 6685-01-171-9767: 5940-00-180-7997, 5315-00-263-5248, 2910-00-362-2773 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F4C3V1Z0F0000?

Key specifications for F4C3V1Z0F0000: Material: GLASS LAMINATE PROTECTIVE CRYSTAL; Material: ALUMINUM ALLOY CASE; Dial Size: 4-1/2 IN. DIA IN; Scale Smallest Increment: 0.25 INCHES IN. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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