Name: CIRCUIT CARD ASSEMBLY
Brand: Unknown
SKU: PM21831

PM21831 ✓ 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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: BUS BAR 3,CAPACITOR 11,CONNECTOR 1,MICROCIRCUIT 17,PRINTED WIRING BOARD 1,RESISTOR 2,TERMINAL 8. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-00-943-7985, 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

PM21831

NSN: 1680-00-943-7985
FSC: 1680
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_diameter	0.5000 INCHES NOMINAL IN
overall_width	0.5000 INCHES NOMINAL IN
alignment_type	RIGID
surface_finish	GROUND
special_features	BUS BAR 3,CAPACITOR 11,CONNECTOR 1,MICROCIRCUIT 17,PRINTED WIRING BOARD 1,RESISTOR 2,TERMINAL 8
style_designator	NON-SEPARABLE, CLOSED END, DRAWN SHELL
overall_outside_diameter	0.6875 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN	1680-00-943-7985

COMPONENT DIAGRAM

VERIFIED SUBSTITUTES & CROSS-REFERENCES 3

962830Interchangeable

interchangeable cross-reference

interchangeable

90-1086Interchangeable

interchangeable cross-reference

interchangeable

21831Interchangeable

interchangeable cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is PM21831?

PM21831 is a CIRCUIT CARD ASSEMBLY.

What parts can replace PM21831?

There are 3 known substitutes for PM21831: 962830, 90-1086, 21831. Substitute compatibility should be verified for your specific system.

What is the NSN for PM21831?

PM21831 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-00-943-7985. This indicates validated use in U.S. government and defense supply chains.

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