PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Z300S3A2022Gage,pressure,dial Indicating

Uniweld Products, Inc. Dba Uniweld Products Inc · NSN 6685-00-425-2373 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-425-2373 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-425-2373. Primary manufacturer part number: Z300S3A2022.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 2.172 INCHES NOMINAL IN
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Surface Treatment: ZINC CASE
  • Material: STEEL CASE
  • Adjustability: NONADJUSTABLE
  • Bezel Type: SLIP
  • Scale Accuracy: 2 PCT MIDDLE HALF OF RANGE
Applications
  • Applications requiring Plastic Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-425-2373, 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 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-425-2373
Primary Part NumberZ300S3A2022
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerUniweld Products, Inc. Dba Uniweld Products Inc
StatusCANCELLED
Overall Diameter2.172 INCHES NOMINAL IN
MaterialPLASTIC PROTECTIVE CRYSTAL
Surface TreatmentZINC CASE
MaterialSTEEL CASE
AdjustabilityNONADJUSTABLE
Bezel TypeSLIP
Scale Accuracy2 PCT MIDDLE HALF OF RANGE
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection LocationBACK
Mounting MethodRIGID STEM
Graduation Unit50.0 POUNDS PER SQUARE INCH LBS
Connection Quantity1
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Actuation TypeSINGLE BOURDON TUBE
Connection TypeEXTERNAL
Scale Range+0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer TypeINDICATING
Dial Size2 IN DIA IN
Scale TypeSINGLE
Usage DesignW/ALL MEDIA NONCORROSIVE TO BRONZE
Connection Size0.250 IN. NPT DIA IN
Connector Type VentNOT PROVIDED
Scale NamePRESSURE
Pointer ColorBLACK
Surface TreatmentENAMEL ACTUATING ELEMENT
MaterialBRONZE ACTUATING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5331-00-265-107712490-25 INTERCHANGEABLE
O-Ring
Triumph Engine Control Systems Llc
5330-00-763-00581885044 INTERCHANGEABLE
Seal
Northrop Grumman Systems Corporation
9340-00-848-3168186467R1 INTERCHANGEABLE
Window,observation
Navistar Intl Corp Truck Br Ohio Plant
6685-00-904-45402-1005-01CBM300 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
5915-01-004-931920-80215 INTERCHANGEABLE
Filter,radio Frequency Interfere
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
1730-01-043-1593 INTERCHANGEABLE
Hook,s-Shaped
4330-01-121-20797219-2 INTERCHANGEABLE
Filter Body,fluid
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5325-01-297-887172192 INTERCHANGEABLE
Ring,retaining
Paccar Winch Inc Dba Paccar Winch Division
6515-01-530-129413573 INTERCHANGEABLE
Forceps,bone
Zimmer Us Inc Dba Zimmer Us, Inc
Cross-Reference Index
Part NumberManufacturer
P500CBM0T0300-21NDIAL1-4INNPT Ametek, Inc. Div Aerospace & Defense (USA)
851SA362 Vme Americas Inc Sub of Vme Group N V (USA)
M519-300BM Gardner Denver Inc. (USA)
72192 Ametek, Inc. Div Aerospace & Defense (USA)
46B76 Desco Corp Marsh Bellofram Div (USA)
M519C Gardner Denver Inc. (USA)
50755-0 Ametek, Inc. Div Aerospace & Defense (USA)
N060 Gardner Denver Inc. (USA)
851SA362 Dana Off Highway Products, Llc (USA)
Z300S3A2022 PRIMARY Uniweld Products, Inc. Dba Uniweld Products Inc (USA)
FIG500S0-300P21NCB Ametek, Inc. Div Aerospace & Defense (USA)
050755 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
P500 Ametek, Inc. Div Aerospace & Defense (USA)
1000 Ashcroft Inc Dba Heise (USA)
Related Parts
5331-00-265-1077INTERCHANGEABLE
O-RING
12490-25
5330-00-763-0058INTERCHANGEABLE
SEAL
1885044
9340-00-848-3168INTERCHANGEABLE
WINDOW,OBSERVATION
186467R1
6685-00-904-4540INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2-1005-01CBM300
5915-01-004-9319INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
20-80215
1730-01-043-1593INTERCHANGEABLE
HOOK,S-SHAPED
4330-01-121-2079INTERCHANGEABLE
FILTER BODY,FLUID
7219-2
5325-01-297-8871INTERCHANGEABLE
RING,RETAINING
72192
6515-01-530-1294INTERCHANGEABLE
FORCEPS,BONE
13573

Frequently Asked Questions

What is NSN 6685-00-425-2373?

NSN 6685-00-425-2373 is a Gage,pressure,dial Indicating, manufactured by Uniweld Products, Inc. Dba Uniweld Products Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-425-2373?

NSN 6685-00-425-2373 has 14 cross-referenced part numbers: P500CBM0T0300-21NDIAL1-4INNPT (Ametek, Inc. Div Aerospace & Defense), 851SA362 (Vme Americas Inc Sub of Vme Group N V), M519-300BM (Gardner Denver Inc.), 72192 (Ametek, Inc. Div Aerospace & Defense), 46B76 (Desco Corp Marsh Bellofram Div) and 9 more.

What NSN replaces 6685-00-425-2373?

There are 9 known substitutes for 6685-00-425-2373: 5331-00-265-1077, 5330-00-763-0058, 9340-00-848-3168 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Z300S3A2022?

Key specifications for Z300S3A2022: Overall Depth: 1.078 INCHES NOMINAL IN; Overall Diameter: 2.172 INCHES NOMINAL IN; Material: PLASTIC PROTECTIVE CRYSTAL; Surface Treatment: ZINC CASE. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-425-2373 still in active supply?

NSN 6685-00-425-2373 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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