PartsTable
Technical Data Sheet
PartsTable / MRO / GM3
GM3 ✓ 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

TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include material: COPPER ALLOY BODY, body_style: RECTANGULAR SHAPE, body_width: 0.105 INCHES NOMINAL IN, bore_shape: STRAIGHT, flange_width: 0.0420 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-899-1336, 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→ GM3
NSN: 5999-00-899-1336
FSC: 5999
CAGE: 74159 — PENN-UNION CORP DIV PENN-UNION CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleRECTANGULAR SHAPE
body_width0.105 INCHES NOMINAL IN
bore_shapeSTRAIGHT
flange_width0.0420 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_width1.300 INCHES NOMINAL IN
terminal_typePIN SINGLE MATING END SINGLE CONTACT GROUPING
load_directionRADIAL
overall_height1.490 INCHES NOMINAL IN
overall_length0.187 INCHES NOMINAL IN
surface_finishGROUND
NSN5999-00-899-1336
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 GM3 MFR TERMINAL JUNCTION BLOCK,SECTIONA
KEY FEATURES
•
CONDUCTOR ACCOMMODATION QUANTITY: 1
•
ACCOMMODATION HOLE WIDTH: 0.016 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH2.000 INCHES NOMINAL IN
OVERALL HEIGHT2.062 INCHES NOMINAL IN
CONDUCTOR ACCOMMODATION QUANTITY1
ACCOMMODATION HOLE WIDTH0.016 INCHES NOMINAL IN
OVERALL LENGTH1.437 INCHES NOMINAL IN
MATERIALCOPPER ALLOY BODY
SPECIAL FEATURESBOLT W/NUT TYPE
OVERALL WIDTH2.000 INCHES NOMINAL IN
OVERALL HEIGHT2.062 INCHES NOMINAL IN
CONDUCTOR ACCOMMODATION QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5214539Interchangeable
interchangeable cross-reference
interchangeable
7770222Interchangeable
interchangeable cross-reference
interchangeable
2208B204Interchangeable
interchangeable cross-reference
interchangeable
SER4K25Interchangeable
interchangeable cross-reference
interchangeable
M81793/08-JE2N2N1PPInterchangeable
interchangeable cross-reference
interchangeable
710499-85Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GM3?
GM3 is a TERMINAL JUNCTION BLOCK,SECTIONA. It is classified as a MRO (MRO_GENERAL).
What parts can replace GM3?
There are 10 known substitutes for GM3: 5214539, 7770222, 2208B204 and 7 more. Substitute compatibility should be verified for your specific system.
Is GM3 still available?
GM3 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