PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1224-1/BECUGage,differential,dial Indicatin

Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument · NSN 6685-01-424-7521 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-424-7521 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-424-7521. Primary manufacturer part number: 1224-1/BECU.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Scale Name: DIFFERENTIAL PRESSURE
  • Scale Range: +0.0 TO 10.0 POUNDS PRESSURE PER SQUARE INCH LBS
  • Scale Type: BROAD ARC DIAL
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Material: STEEL CORROSION RESISTING CASE
  • Adjustability: ADJUSTABLE
  • Pointer Type: INDICATING
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-424-7521, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-424-7521
Primary Part Number1224-1/BECU
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerScott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
StatusACTIVE
Scale NameDIFFERENTIAL PRESSURE
Scale Range+0.0 TO 10.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale TypeBROAD ARC DIAL
MaterialCOPPER ALLOY ACTUATING ELEMENT
MaterialSTEEL CORROSION RESISTING CASE
AdjustabilityADJUSTABLE
Pointer TypeINDICATING
Actuation TypeBELLOWS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-015-0529510-48 INTERCHANGEABLE
Gasket
Tescom Corp Dba Tescom Div Tescom
5133-00-266-9471 INTERCHANGEABLE
Drill,twist
5360-00-674-394651048 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6625-00-947-7485 INTERCHANGEABLE
Lead,test
5315-01-067-864151048 INTERCHANGEABLE
Pin,spring
Paccar Winch Inc Dba Paccar Winch Division
7510-01-187-662875-1658-840 INTERCHANGEABLE
Ribbon,inking
Corporate Express Office Products Inc.
5930-01-196-9295 INTERCHANGEABLE
Switch,push
6685-01-423-31931224-1/M INTERCHANGEABLE
Gage,differential,dial Indicatin
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
9150-01-470-7377234227 LOCTITE LB 8012 INTERCHANGEABLE
Lubricant,antiseize
Loctite Corp
4720-01-698-413451048 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
Cross-Reference Index
Part NumberManufacturer
51048 Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
1224-1/BECU PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
Related Parts
5330-00-015-0529INTERCHANGEABLE
GASKET
510-48
5133-00-266-9471INTERCHANGEABLE
DRILL,TWIST
5360-00-674-3946INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51048
6625-00-947-7485INTERCHANGEABLE
LEAD,TEST
5315-01-067-8641INTERCHANGEABLE
PIN,SPRING
51048
7510-01-187-6628INTERCHANGEABLE
RIBBON,INKING
75-1658-840
5930-01-196-9295INTERCHANGEABLE
SWITCH,PUSH
6685-01-423-3193INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
1224-1/M
9150-01-470-7377INTERCHANGEABLE
LUBRICANT,ANTISEIZE
234227 LOCTITE LB 8012
4720-01-698-4134INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
51048

Frequently Asked Questions

What is NSN 6685-01-424-7521?

NSN 6685-01-424-7521 is a Gage,differential,dial Indicatin, manufactured by Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-424-7521?

NSN 6685-01-424-7521 has 2 cross-referenced part numbers: 51048 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 1224-1/BECU (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument).

What NSN replaces 6685-01-424-7521?

There are 10 known substitutes for 6685-01-424-7521: 5330-00-015-0529, 5133-00-266-9471, 5360-00-674-3946 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1224-1/BECU?

Key specifications for 1224-1/BECU: Scale Name: DIFFERENTIAL PRESSURE; Scale Range: +0.0 TO 10.0 POUNDS PRESSURE PER SQUARE INCH LBS; Scale Type: BROAD ARC DIAL; Material: COPPER ALLOY ACTUATING ELEMENT. 8 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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