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2 1-2 1DFFM1-4CBM100 — Technical Data Sheet

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— · 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 2 1-2 1DFFM1-4CBM100 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System under NSN 6685-00-836-0401, 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
2 1-2 1DFFM1-4CBM100
NSN: 6685-00-836-0401
FSC: 6685
CAGE: 38508 — DESCO CORP MARSH BELLOFRAM DIV (USA)
SPECIFICATIONS
Part Number2 1-2 1DFFM1-4CBM100
NSN6685-00-836-0401
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 2 1-2 1DFFM1-4CBM100 TITLE COMPONENT PN 2 1-2 1DFFM1-4CBM100 MFR 2 1-2 1DFFM1-4CBM100
KEY FEATURES
•
OVERALL DIAMETER: 2.719 INCHES NOMINAL IN
•
COLOR: BLACK CASE
•
MATERIAL: GLASS PROTECTIVE CRYSTAL
•
SURFACE TREATMENT: ENAMEL CASE
•
SCALE ACCURACY: 2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.719 INCHES NOMINAL IN
COLORBLACK CASE
MATERIALGLASS PROTECTIVE CRYSTAL
MATERIALSTEEL CASE
MATERIALBRONZE ACTUATING ELEMENT
SURFACE TREATMENTENAMEL CASE
OVERALL DEPTH1.130 INCHES NOMINAL IN
SCALE ACCURACY2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER
CONNECTION SIZE0.250 IN. NPT DIA IN
CONNECTION QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
541-045-001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
500177-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
402904InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
23DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
23D-0-300#SZ-2-1-2-BKCONN-1-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
230InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2 1-2 1DFFM1-4CBM100?
2 1-2 1DFFM1-4CBM100 is a 2 1-2 1DFFM1-4CBM100.
What parts can replace 2 1-2 1DFFM1-4CBM100?
There are 25 known substitutes for 2 1-2 1DFFM1-4CBM100: 541-045-001, 500177-1, 402904 and 22 more. Substitute compatibility should be verified for your specific system.
Is 2 1-2 1DFFM1-4CBM100 still available?
2 1-2 1DFFM1-4CBM100 is currently cancelled.
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Last verified: September 2026