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Technical Data Sheet
PartsTable / MRO / Z21
Z21 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The TEST PROBE ATTACHMENT is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, drain_type: BOTTOM, ring_style: EXTERNAL, opening_size: 1.0 INCHES AND 1.25 INCHES IN, usage_design: EXTERNAL, hole_diameter: 1.016 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-548-7644, 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
MRO→ MRO_GENERAL→ Z21
NSN: 5999-00-548-7644
FSC: 5999
CAGE: 79318 — MEGGITT NORTH HOLLYWOOD INC (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
drain_typeBOTTOM
ring_styleEXTERNAL
opening_size1.0 INCHES AND 1.25 INCHES IN
usage_designEXTERNAL
hole_diameter1.016 INCHES NOMINAL IN
turn_quantity36 ALL COMPONENTS SINGLE WINDING
overall_height0.165 INCHES NOMINAL IN
overall_length27.0 INCHES NOMINAL IN
inside_diameter0.125 INCHES NOMINAL IN
major_thickness0.010 INCHES NOMINAL IN
mounting_methodBRACKET(S) ALL GROUPINGS
NSN5999-00-548-7644
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN Z21 MFR TEST PROBE ATTACHMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
Z21Interchangeable
interchangeable cross-reference
interchangeable
65534Interchangeable
interchangeable cross-reference
interchangeable
250Interchangeable
interchangeable cross-reference
interchangeable
40EInterchangeable
interchangeable cross-reference
interchangeable
993-149740 ITEM 18Interchangeable
interchangeable cross-reference
interchangeable
0734007130Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z21?
Z21 is a TEST PROBE ATTACHMENT. It is classified as a MRO (MRO_GENERAL).
What parts can replace Z21?
There are 8 known substitutes for Z21: Z21, 65534, 250 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Z21?
Z21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-548-7644. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026