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Technical Data Sheet
PartsTable / MRO / GMM1638
GMM1638 ✓ 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 GMM1638 is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_width: 1.687 INCHES NOMINAL1.687 INCHES NOMINAL IN, overall_height: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN, overall_length: 1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S)UNTHREADED HOLE(S), style_designator: IRREGULAR SHAPEIRREGULAR SHAPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-249-6824, 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→ GMM1638
NSN: 5999-00-249-6824
FSC: 5999
CAGE: 94321 — TELEKING CORP (USA)
SPECIFICATIONS
materialSTEEL BODY
overall_width1.687 INCHES NOMINAL1.687 INCHES NOMINAL IN
overall_height0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
overall_length1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)UNTHREADED HOLE(S)
style_designatorIRREGULAR SHAPEIRREGULAR SHAPE
surface_treatmentCOPPER BODYCOPPER BODY
mounting_facility_quantity22
unthreaded_mounting_hole_diameter0.161 INCHES NOMINAL0.161 INCHES NOMINAL IN
material_document_and_classificationQQ-S-698,CONDITION 2 FED SPEC SINGLE MATERIAL RESPONSE BODYQQ-S-698,CONDITION 2 FED SPEC SINGLE MATERIAL RESPONSE BODY
distance_between_mounting_facility_centers1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-F-14072,FINISH -259 MIL SPEC SINGLE TREATMENT RESPONSE BODYMIL-F-14072,FINISH -259 MIL SPEC SINGLE TREATMENT RESPONSE BODY
NSN5999-00-249-6824
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 GMM1638 MFR GMM1638
KEY FEATURES
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR SHAPEIRREGULAR SHAPE
•
SURFACE TREATMENT: COPPER BODYCOPPER BODY
•
MATERIAL: STEEL BODY
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,FINISH -259 MIL SPEC SINGLE TREATMENT RESPONSE BODYMIL-F-14072,FINISH -259 MIL SPEC SINGLE TREATMENT RESPONSE BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698,CONDITION 2 FED SPEC SINGLE MATERIAL RESPONSE BODYQQ-S-698,CONDITION 2 FED SPEC SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.687 INCHES NOMINAL1.687 INCHES NOMINAL IN
OVERALL LENGTH1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR SHAPEIRREGULAR SHAPE
SURFACE TREATMENTCOPPER BODYCOPPER BODY
MATERIALSTEEL BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH -259 MIL SPEC SINGLE TREATMENT RESPONSE BODYMIL-F-14072,FINISH -259 MIL SPEC SINGLE TREATMENT RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698,CONDITION 2 FED SPEC SINGLE MATERIAL RESPONSE BODYQQ-S-698,CONDITION 2 FED SPEC SINGLE MATERIAL RESPONSE BODY
UNTHREADED MOUNTING HOLE DIAMETER0.161 INCHES NOMINAL0.161 INCHES NOMINAL IN
OVERALL HEIGHT0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
S002016406Interchangeable
interchangeable cross-reference
interchangeable
16406Interchangeable
interchangeable cross-reference
interchangeable
300-6Interchangeable
interchangeable cross-reference
interchangeable
16406ADXInterchangeable
interchangeable cross-reference
interchangeable
5305PL0912439Interchangeable
interchangeable cross-reference
interchangeable
164-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GMM1638?
GMM1638 is a GMM1638. It is classified as a MRO (MRO_GENERAL).
What parts can replace GMM1638?
There are 19 known substitutes for GMM1638: S002016406, 16406, 300-6 and 16 more. Substitute compatibility should be verified for your specific system.
Is GMM1638 still available?
GMM1638 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