PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1YBF317ATAGage,pressure,dial Indicating

Bellofram Corporation · NSN 6685-00-902-4918 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-902-4918 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-902-4918. Primary manufacturer part number: 1YBF317ATA.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL IN
  • Material: STEEL ACTUATING ELEMENT
  • Material: STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Surface Treatment: ENAMEL CASE
  • Mounting Hole Quantity: 3
  • Bolt Circle Diameter: 5.688 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-902-4918, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 27 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-902-4918
Primary Part Number1YBF317ATA
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusCANCELLED
Mounting Hole Diameter0.219 INCHES NOMINAL IN
MaterialSTEEL ACTUATING ELEMENT
MaterialSTEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Surface TreatmentENAMEL CASE
Mounting Hole Quantity3
Bolt Circle Diameter5.688 INCHES NOMINAL IN
Overall Diameter6.312 INCHES NOMINAL IN
Scale TypeSINGLE
Connection LocationBACK
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Actuation TypeSINGLE BOURDON TUBE
Graduation Unit1.0 POUNDS PER SQUARE INCH LBS
Connection TypeEXTERNAL
Scale Range+0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Size0.250 IN. NPT IN
Pointer TypeINDICATING
Bezel TypeHINGE
Connector Type VentNOT PROVIDED
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Dial Size4-1/2 IN. DIA IN
AdjustabilityADJUSTABLE
Mounting MethodFLUSH PANEL
Connection Quantity1
Scale NamePRESSURE
Pointer ColorBLACK
Scale Smallest Increment0.1 POUNDS PER SQUARE INCH (PSI) LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3020-00-131-6944104224 INTERCHANGEABLE
Gear,spur
Astronautics Corporation of America
6685-00-225-9816 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-585-4237100SFMH6000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
1660-00-656-0254104224 INTERCHANGEABLE
Bushing,cage Assy T
Triumph Thermal Systems - Maryland, Inc.
6685-00-894-4922 INTERCHANGEABLE
Gage,pressure,dial Indicating
3040-01-124-38101011628 INTERCHANGEABLE
Lever,manual Control
Norriseal Norris Values Div Dba Dover Co
5930-01-524-7985104224 INTERCHANGEABLE
Switch,toggle
Cleveland Range, Llc
5310-01-546-5272104224 INTERCHANGEABLE
Washer,flat
Fasteners Inc.
Cross-Reference Index
Part NumberManufacturer
1YBF317ATA Desco Corp Marsh Bellofram Div (USA)
104224 L-3 Communications Electronicsystems Incdba L-3 Electronic System Services (CAN)
1YBF317ATA PRIMARY Bellofram Corporation (USA)
1FM Desco Corp Marsh Bellofram Div (USA)
100SFMH Desco Corp Marsh Bellofram Div (USA)
Related Parts
3020-00-131-6944INTERCHANGEABLE
GEAR,SPUR
104224
6685-00-225-9816INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-585-4237INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
100SFMH6000
1660-00-656-0254INTERCHANGEABLE
BUSHING,CAGE ASSY T
104224
6685-00-894-4922INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3040-01-124-3810INTERCHANGEABLE
LEVER,MANUAL CONTROL
1011628
5930-01-524-7985INTERCHANGEABLE
SWITCH,TOGGLE
104224
5310-01-546-5272INTERCHANGEABLE
WASHER,FLAT
104224

Frequently Asked Questions

What is NSN 6685-00-902-4918?

NSN 6685-00-902-4918 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-902-4918?

NSN 6685-00-902-4918 has 5 cross-referenced part numbers: 1YBF317ATA (Desco Corp Marsh Bellofram Div), 104224 (L-3 Communications Electronicsystems Incdba L-3 Electronic System Services), 1YBF317ATA (Bellofram Corporation), 1FM (Desco Corp Marsh Bellofram Div), 100SFMH (Desco Corp Marsh Bellofram Div).

What NSN replaces 6685-00-902-4918?

There are 8 known substitutes for 6685-00-902-4918: 3020-00-131-6944, 6685-00-225-9816, 6685-00-585-4237 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1YBF317ATA?

Key specifications for 1YBF317ATA: Overall Depth: 1.766 INCHES NOMINAL IN; Mounting Hole Diameter: 0.219 INCHES NOMINAL IN; Material: STEEL ACTUATING ELEMENT; Material: STEEL CASE. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-902-4918 still in active supply?

NSN 6685-00-902-4918 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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