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Technical Data Sheet
PartsTable / COMPONENT / 1000U300PSI
1000U300PSI ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 1000U300PSI is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-542-1406, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1000U300PSI
NSN: 6685-00-542-1406
FSC: 6685
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
Part Number1000U300PSI
NSN6685-00-542-1406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1000U300PSI TITLE COMPONENT PN 1000U300PSI MFR 1000U300PSI
KEY FEATURES
•
MATERIAL: COPPER ALLOY 511 ACTUATING ELEMENT
•
POINTER TYPE: INDICATING
•
CONNECTION TYPE: EXTERNAL
•
GRADUATION UNIT: 50.000 POUNDS LBS
•
DIAL SIZE: 2-1/2 IN. DIA IN
•
CONNECTOR TYPE VENT: NOT PROVIDED
•
CONNECTION SIZE: 1/8 IN. NPT IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 511 ACTUATING ELEMENT
MATERIALPLASTIC PROTECTIVE CRYSTAL
POINTER TYPEINDICATING
CONNECTION TYPEEXTERNAL
GRADUATION UNIT50.000 POUNDS LBS
DIAL SIZE2-1/2 IN. DIA IN
CONNECTOR TYPE VENTNOT PROVIDED
CONNECTION SIZE1/8 IN. NPT IN
CONNECTION LOCATIONBACK, CENTER
SCALE RANGE+0.000 TO 300.000 POUNDS PRESSURE PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A4138Interchangeable
interchangeable cross-reference
interchangeable
103S2Interchangeable
interchangeable cross-reference
interchangeable
20-1000H-01B-400Interchangeable
interchangeable cross-reference
interchangeable
1000UInterchangeable
interchangeable cross-reference
interchangeable
36048EInterchangeable
interchangeable cross-reference
interchangeable
A211574Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1000U300PSI?
1000U300PSI is a 1000U300PSI.
What parts can replace 1000U300PSI?
There are 13 known substitutes for 1000U300PSI: A4138, 103S2, 20-1000H-01B-400 and 10 more. Substitute compatibility should be verified for your specific system.
Is 1000U300PSI still available?
1000U300PSI is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026