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Technical Data Sheet
M1779S ✓ 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 KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 6.219 INCHES MINIMUM AND 6.406 INCHES MAXIMUM IN, long_arm_length: 5.906 INCHES MINIMUM AND 6.094 INCHES MAXIMUM IN, short_arm_length: 1.156 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN, style_designator: L-HANDLE, features_provided: LONG SERIES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-198-5409, 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
M1779S
NSN: 5120-00-198-5409
FSC: 5120
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length6.219 INCHES MINIMUM AND 6.406 INCHES MAXIMUM IN
long_arm_length5.906 INCHES MINIMUM AND 6.094 INCHES MAXIMUM IN
short_arm_length1.156 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN
style_designatorL-HANDLE
features_providedLONG SERIES
wrenching_surface_size0.313 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
specification/standard_data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
environmental_attribute_codePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
NSN5120-00-198-5409
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN M1779S MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
MATERIAL: STEEL OVERALL
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SIZE: 0.313 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATOR: L-HANDLE
FEATURES PROVIDED: LONG SERIES
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
SPECIFICATION/STANDARD DATA05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SIZE0.313 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATORL-HANDLE
FEATURES PROVIDEDLONG SERIES
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS EXTERNAL
OVERALL LENGTH6.219 INCHES MINIMUM AND 6.406 INCHES MAXIMUM IN
SHORT ARM LENGTH1.156 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN
LONG ARM LENGTH5.906 INCHES MINIMUM AND 6.094 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
18923Interchangeable
interchangeable cross-reference
interchangeable
08218923Interchangeable
interchangeable cross-reference
interchangeable
70013Interchangeable
interchangeable cross-reference
interchangeable
10018Interchangeable
interchangeable cross-reference
interchangeable
29331Interchangeable
interchangeable cross-reference
interchangeable
209Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1779S?
M1779S is a KEY,SOCKET HEAD SCREW.
What parts can replace M1779S?
There are 24 known substitutes for M1779S: 18923, 08218923, 70013 and 21 more. Substitute compatibility should be verified for your specific system.
Is M1779S still available?
M1779S is currently cancelled.
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