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PartsTable / COMPONENT / 4 1-2 1FMSU 1-4LBM600
4 1-2 1FMSU 1-4LBM600 ✓ 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 4 1-2 1FMSU 1-4LBM600 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-01-027-5903, 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
4 1-2 1FMSU 1-4LBM600
NSN: 6685-01-027-5903
FSC: 6685
CAGE: 38508 — DESCO CORP MARSH BELLOFRAM DIV (USA)
SPECIFICATIONS
Part Number4 1-2 1FMSU 1-4LBM600
NSN6685-01-027-5903
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4 1-2 1FMSU 1-4LBM600 TITLE COMPONENT PN 4 1-2 1FMSU 1-4LBM600 MFR 4 1-2 1FMSU 1-4LBM600
KEY FEATURES
•
MATERIAL: PLASTIC ACRYLIC PROTECTIVE CRYSTAL
•
COLOR: BLACK CASE
•
SURFACE TREATMENT: ENAMEL CASE
•
BEZEL TYPE: SLIPS-ON
•
SCALE SMALLEST INCREMENT: 5.0 POUNDS PER SQUARE INCH (PSI) LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC ACRYLIC PROTECTIVE CRYSTAL
COLORBLACK CASE
MATERIALBRASS ACTUATING ELEMENT
MATERIALSTEEL CASE
SURFACE TREATMENTENAMEL CASE
OVERALL DEPTH1.765 INCHES NOMINAL IN
BEZEL TYPESLIPS-ON
SCALE SMALLEST INCREMENT5.0 POUNDS PER SQUARE INCH (PSI) LBS
DIAL SIZE4-1/2 IN. DIA IN
POINTER TYPEINDICATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
65166Interchangeable
interchangeable cross-reference
interchangeable
MS25436-16Interchangeable
interchangeable cross-reference
interchangeable
70379Interchangeable
interchangeable cross-reference
interchangeable
524713Interchangeable
interchangeable cross-reference
interchangeable
82163Interchangeable
interchangeable cross-reference
interchangeable
7057552 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4 1-2 1FMSU 1-4LBM600?
4 1-2 1FMSU 1-4LBM600 is a 4 1-2 1FMSU 1-4LBM600.
What parts can replace 4 1-2 1FMSU 1-4LBM600?
There are 10 known substitutes for 4 1-2 1FMSU 1-4LBM600: 65166, MS25436-16, 70379 and 7 more. Substitute compatibility should be verified for your specific system.
Is 4 1-2 1FMSU 1-4LBM600 still available?
4 1-2 1FMSU 1-4LBM600 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