PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

909-146Gage,differential,dial Indicatin

Donaldson Company, Inc. · NSN 6685-01-120-7957 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-120-7957 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-120-7957. Primary manufacturer part number: 909-146.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Scale Type: SINGLE
  • Scale Name: DIFFERENTIAL PRESSURE
  • Connector Type Vent: NOT PROVIDED
  • Material: STEEL CORROSION RESISTING ACTUATING ELEMENT
  • Overall Diameter: 4.500 INCHES NOMINAL IN
  • Scale Smallest Increment: 10.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Scale Range: +40.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Applications
  • Applications requiring Steel Corrosion Resisting Actuating Element construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-120-7957, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-120-7957
Primary Part Number909-146
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusACTIVE
Scale TypeSINGLE
Scale NameDIFFERENTIAL PRESSURE
Connector Type VentNOT PROVIDED
MaterialSTEEL CORROSION RESISTING ACTUATING ELEMENT
Overall Diameter4.500 INCHES NOMINAL IN
Scale Smallest Increment10.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+40.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer ColorBLACK
AdjustabilityADJUSTABLE
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Actuation TypeANY ACCEPTABLE
Pointer TypeINDICATING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5365-00-326-421227108 INTERCHANGEABLE
Spacer,sleeve
Honeywell International Inc. Div Aerospace - Torrance
4910-00-494-127727108 INTERCHANGEABLE
Pilot,valve Seat Refacing
Black and Decker Us Inc
5935-00-760-719627-108 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5310-00-870-6979 INTERCHANGEABLE
Washer,keyway
3020-01-067-657227108 INTERCHANGEABLE
Gear,pinion
Moog Inc. Dba Ampac-Isp Corp
5930-01-147-945927108 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
2920-01-212-477127284 INTERCHANGEABLE
Sensor,fuel Filter
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
27-108 Arco Engineering Inc (USA)
511-88 ITEM 13 Donaldson Company, Inc. (USA)
909-146 Donaldson Company, Inc. (USA)
909-146 PRIMARY Donaldson Company, Inc. (USA)
Related Parts
5365-00-326-4212INTERCHANGEABLE
SPACER,SLEEVE
27108
4910-00-494-1277INTERCHANGEABLE
PILOT,VALVE SEAT REFACING
27108
5935-00-760-7196INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
27-108
5310-00-870-6979INTERCHANGEABLE
WASHER,KEYWAY
3020-01-067-6572INTERCHANGEABLE
GEAR,PINION
27108
5930-01-147-9459INTERCHANGEABLE
SWITCH,FLOW
27108
2920-01-212-4771INTERCHANGEABLE
SENSOR,FUEL FILTER
27284

Frequently Asked Questions

What is NSN 6685-01-120-7957?

NSN 6685-01-120-7957 is a Gage,differential,dial Indicatin, manufactured by Donaldson Company, Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-120-7957?

NSN 6685-01-120-7957 has 4 cross-referenced part numbers: 27-108 (Arco Engineering Inc), 511-88 ITEM 13 (Donaldson Company, Inc.), 909-146 (Donaldson Company, Inc.), 909-146 (Donaldson Company, Inc.).

What NSN replaces 6685-01-120-7957?

There are 7 known substitutes for 6685-01-120-7957: 5365-00-326-4212, 4910-00-494-1277, 5935-00-760-7196 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 909-146?

Key specifications for 909-146: Scale Type: SINGLE; Scale Name: DIFFERENTIAL PRESSURE; Connector Type Vent: NOT PROVIDED; Material: STEEL CORROSION RESISTING ACTUATING ELEMENT. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com