PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2250-030-01Gage,pressure,dial Indicating

Qed Inc Dba Qed Inc · NSN 6685-00-557-0220 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-557-0220 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-557-0220. Primary manufacturer part number: 2250-030-01.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Method: FLUSH PANEL
  • Mounting Hole Quantity: 4
  • Material: GLASS PROTECTIVE CRYSTAL
  • Scale Type: SINGLE
  • Adjustability: NONADJUSTABLE
  • Dial Size: 1-7/8 IN. DIA IN
  • Nondefinitive Spec/std Data: MS28061T3 TYPE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-557-0220, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Qed Inc Dba Qed Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-557-0220
Primary Part Number2250-030-01
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerQed Inc Dba Qed Inc
StatusCANCELLED
Mounting MethodFLUSH PANEL
Mounting Hole Quantity4
MaterialGLASS PROTECTIVE CRYSTAL
Scale TypeSINGLE
AdjustabilityNONADJUSTABLE
Dial Size1-7/8 IN. DIA IN
Nondefinitive Spec/std DataMS28061T3 TYPE
Connection Size0.438 IN. TUBE IN
Scale Accuracy2 PCT ENTIRE RANGE
Scale NamePRESSURE
Connection LocationBACK
Connection TypeINTERNAL
Bezel TypeSLIPS-ON
Connection Quantity2
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Actuation TypeSINGLE BOURDON TUBE
Unable to DecodeUNABLE TO DECODE
Scale Range+0.0 TO 20.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Inscription/background ColorLUMINOUS FIGURES ON BLACK BACKGROUND
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Mounting Hole Diameter0.170 INCHES NOMINAL IN
MaterialALUMINUM AND PLASTIC CASE
Overall Diameter2.375 INCHES NOMINAL IN
Bolt Circle Diameter2.625 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6620-00-045-8134 INTERCHANGEABLE
Gage,pressure,dial Indicating
6620-00-051-714331855-12 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ranco Inc Ranco Controls Div
6620-00-051-7145 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-515-5764 INTERCHANGEABLE
Gage,vacuum,indicating
6685-00-551-3603 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-553-1995 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-555-3054 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-556-8527 INTERCHANGEABLE
Gage,vacuum,indicating
6620-00-557-0403 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-580-0935 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
2250-030-01 Qed Inc Dba Qed Inc (USA)
AW1816AB02 Ametek, Inc. Div Aerospace & Defense (USA)
MS28061T3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-G-7734 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AW1 7-8 16N Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6620-00-045-8134INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6620-00-051-7143INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
31855-12
6620-00-051-7145INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-515-5764INTERCHANGEABLE
GAGE,VACUUM,INDICATING
6685-00-551-3603INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-553-1995INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-555-3054INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-556-8527INTERCHANGEABLE
GAGE,VACUUM,INDICATING
6620-00-557-0403INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-0935INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-0937INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-634-9233INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-557-0220?

NSN 6685-00-557-0220 is a Gage,pressure,dial Indicating, manufactured by Qed Inc Dba Qed Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-557-0220?

NSN 6685-00-557-0220 has 5 cross-referenced part numbers: 2250-030-01 (Qed Inc Dba Qed Inc), AW1816AB02 (Ametek, Inc. Div Aerospace & Defense), MS28061T3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-G-7734 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AW1 7-8 16N (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-00-557-0220?

There are 12 known substitutes for 6685-00-557-0220: 6620-00-045-8134, 6620-00-051-7143, 6620-00-051-7145 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2250-030-01?

Key specifications for 2250-030-01: Mounting Method: FLUSH PANEL; Mounting Hole Quantity: 4; Overall Depth: 1.625 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-557-0220 still in active supply?

NSN 6685-00-557-0220 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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