PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HD-130Gage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-720-2653 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-720-2653 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-720-2653. Primary manufacturer part number: HD-130.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 4.750 INCHES NOMINAL IN
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL ACTUATING ELEMENT
  • Material: ALUMINUM CASE
  • Connection Size: 1/4 IN. NPT IN
  • Pointer Color: BLACK
  • Scale Range: +0.0 TO 6000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-720-2653, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-720-2653
Primary Part NumberHD-130
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusCANCELLED
Overall Diameter4.750 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL ACTUATING ELEMENT
MaterialALUMINUM CASE
Connection Size1/4 IN. NPT IN
Pointer ColorBLACK
Scale Range+0.0 TO 6000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Actuation TypeSINGLE BOURDON TUBE
Mounting MethodFLUSH PANEL
Scale Name for Which Pointer Is DesignedPRESSURE
Connection LocationBACK
Connection Quantity1
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Connector Type VentNOT PROVIDED
AdjustabilityADJUSTABLE
Pointer TypeINDICATING
Dial Size3-1/2 IN. DIA IN
Scale Smallest Increment50.0 POUNDS LBS
Connection TypeEXTERNAL
Bezel TypeSNAP-ON
Scale NamePRESSURE
Scale TypeSINGLE
Graduation Unit500.0 POUNDS LBS
Bolt Circle Diameter4.250 INCHES NOMINAL IN
Mounting Hole Quantity3
Mounting Hole Diameter1.560 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6685-00-004-7030E3P3K3A0L0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-117-5348 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-150-679045-430-1/2L-0/4000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-542-1742 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-623-92131YBH58177ATA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-720-2960E3P4J5A1Q0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-815-1809F3E6J1A0W0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-833-6077HD290 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-843-4956 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-951-5419309-049 INTERCHANGEABLE
Gage,pressure,dial Indicating
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
9081803 Us Army Aviation and Missile Command (USA)
430L Bristol Babcock Inc Helicoid Instruments Div (USA)
HD-130 PRIMARY Bristol Babcock Inc Helicoid Instruments Div (USA)
Related Parts
6685-00-004-7030INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E3P3K3A0L0000
6685-00-117-5348INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-150-6790INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-430-1/2L-0/4000
6685-00-542-1742INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-623-9213INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1YBH58177ATA
6685-00-720-2960INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E3P4J5A1Q0000
6685-00-815-1809INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F3E6J1A0W0000
6685-00-833-6077INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD290
6685-00-843-4956INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-951-5419INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
309-049
6685-00-973-4662INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-720-2653?

NSN 6685-00-720-2653 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-720-2653?

NSN 6685-00-720-2653 has 3 cross-referenced part numbers: 9081803 (Us Army Aviation and Missile Command), 430L (Bristol Babcock Inc Helicoid Instruments Div), HD-130 (Bristol Babcock Inc Helicoid Instruments Div).

What NSN replaces 6685-00-720-2653?

There are 11 known substitutes for 6685-00-720-2653: 6685-00-004-7030, 6685-00-117-5348, 6685-00-150-6790 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HD-130?

Key specifications for HD-130: Overall Depth: 1.953 INCHES NOMINAL IN; Overall Diameter: 4.750 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL; Material: STEEL ACTUATING ELEMENT. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-720-2653 still in active supply?

NSN 6685-00-720-2653 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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