PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Z4000B1X3123RGage,pressure,dial Indicating

Uniweld Products, Inc. Dba Uniweld Products Inc · NSN 6685-00-671-1143 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-671-1143 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-671-1143. Primary manufacturer part number: Z4000B1X3123R.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 2.812 INCHES NOMINAL IN
  • Material: PLASTIC POLYCARBONATE PROTECTIVE CRYSTAL
  • Nondefinitive Spec/std Data: 1 POLISHED
  • Material: BRASS CASE
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Connection Location: BOTTOM
  • Mounting Connection Location: BOTTOM
Applications
  • Applications requiring Plastic Polycarbonate Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-671-1143, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Uniweld Products, Inc. Dba Uniweld Products Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-671-1143
Primary Part NumberZ4000B1X3123R
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerUniweld Products, Inc. Dba Uniweld Products Inc
StatusACTIVE
Overall Diameter2.812 INCHES NOMINAL IN
MaterialPLASTIC POLYCARBONATE PROTECTIVE CRYSTAL
Nondefinitive Spec/std Data1 POLISHED
MaterialBRASS CASE
MaterialCOPPER ALLOY ACTUATING ELEMENT
Connection LocationBOTTOM
Mounting Connection LocationBOTTOM
Unable to DecodeUNABLE TO DECODE
Scale AccuracyPORM 2 PCT MIDDLE,3 PCT REMAINDER
Graduation Unit500.0 POUNDS PER SQUARE INCH LBS
Actuation TypeBOURDON TUBE
Dial Size2-1/2 IN. DIA IN
AdjustabilityADJUSTABLE
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection Quantity1
Mounting MethodRIGID STEM
Scale TypeSINGLE
Pointer ColorBLACK
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Bezel TypeTHREAD
Scale NamePRESSURE
Pointer TypeINDICATING
Scale Range+0.0 TO 4000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
Connection Size0.250 IN. NPT IN
Connection TypeEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-005-2524920011-16 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
3110-00-156-1769 INTERCHANGEABLE
Bearing,ball,thrust
5310-00-216-8026BS4-1495PC12 INTERCHANGEABLE
Nut,cap,special
Circor Naval Solutions Llc Dba Warren Pumps
4530-00-449-48535-13-2074-22 INTERCHANGEABLE
Valve Assembly,actuating
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5330-00-580-6061 INTERCHANGEABLE
Ring,wiper
4930-01-103-91265806 INTERCHANGEABLE
Adapter,grease Gun Coupling
B. W. Rogers Company
5120-01-145-0281G27 INTERCHANGEABLE
Riveter,blind,hand
Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace
3020-01-258-8100 INTERCHANGEABLE
Gear,spur
2520-01-321-376327G466131 INTERCHANGEABLE
Cover,transmission
Karl Senner, L.l.c. Dba Karl Senner Inc
5120-01-393-1538 INTERCHANGEABLE
Riveter,blind,hand
Cross-Reference Index
Part NumberManufacturer
Z4000B1X3123R Uniweld Products, Inc. Dba Uniweld Products Inc (USA)
P601 2-1/2IN 1/4 Ametek, Inc. Div Aerospace & Defense (USA)
GGG76 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
BU2581AQ Ametek, Inc. Div Aerospace & Defense (USA)
143404 Ametek, Inc. Div Aerospace & Defense (USA)
G-27 National Torch Tip Co Inc Div of Archsmith Inc (USA)
100572 Metadure Parts & Sales, Inc. (USA)
Z4000D1X3123R Uniweld Products, Inc. Dba Uniweld Products Inc (USA)
Related Parts
5950-00-005-2524INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-16
3110-00-156-1769INTERCHANGEABLE
BEARING,BALL,THRUST
5310-00-216-8026INTERCHANGEABLE
NUT,CAP,SPECIAL
BS4-1495PC12
4530-00-449-4853INTERCHANGEABLE
VALVE ASSEMBLY,ACTUATING
5-13-2074-22
5330-00-580-6061INTERCHANGEABLE
RING,WIPER
4930-01-103-9126INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
5806
5120-01-145-0281INTERCHANGEABLE
RIVETER,BLIND,HAND
G27
3020-01-258-8100INTERCHANGEABLE
GEAR,SPUR
2520-01-321-3763INTERCHANGEABLE
COVER,TRANSMISSION
27G466131
5120-01-393-1538INTERCHANGEABLE
RIVETER,BLIND,HAND
6750-01-414-6351INTERCHANGEABLE
FIXING BATH,PHOTOGRAPHIC
143-404
3010-01-478-2877INTERCHANGEABLE
COUPLING HALF,SHAFT
CRXL1.25

Frequently Asked Questions

What is NSN 6685-00-671-1143?

NSN 6685-00-671-1143 is a Gage,pressure,dial Indicating, manufactured by Uniweld Products, Inc. Dba Uniweld Products Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-671-1143?

NSN 6685-00-671-1143 has 8 cross-referenced part numbers: Z4000B1X3123R (Uniweld Products, Inc. Dba Uniweld Products Inc), P601 2-1/2IN 1/4 (Ametek, Inc. Div Aerospace & Defense), GGG76 (Federal Specifications Promulgated by General Services Administration Washington DC), BU2581AQ (Ametek, Inc. Div Aerospace & Defense), 143404 (Ametek, Inc. Div Aerospace & Defense) and 3 more.

What NSN replaces 6685-00-671-1143?

There are 12 known substitutes for 6685-00-671-1143: 5950-00-005-2524, 3110-00-156-1769, 5310-00-216-8026 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Z4000B1X3123R?

Key specifications for Z4000B1X3123R: Overall Diameter: 2.812 INCHES NOMINAL IN; Material: PLASTIC POLYCARBONATE PROTECTIVE CRYSTAL; Overall Depth: 1.266 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 POLISHED. 27 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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