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PartsTable / COMPONENT / 00777-0021-0
00777-0021-0 ✓ 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: 1.153 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN, long_arm_length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN, short_arm_length: 0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, style_designator: L-HANDLE, features_provided: SHORT SERIES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-555-2639, 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
00777-0021-0
NSN: 5120-00-555-2639
FSC: 5120
CAGE: 81867 — ELECTRONIC ASSOCIATES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.153 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
long_arm_length1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
short_arm_length0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
style_designatorL-HANDLE
features_providedSHORT SERIES
surface_treatmentOXIDE OVERALL
wrenching_surface_size0.028 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
NSN5120-00-555-2639
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN 00777-0021-0 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
SHORT ARM LENGTH: 0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SURFACE TREATMENT: OXIDE OVERALL
•
SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
LONG ARM LENGTH: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
•
WRENCHING SURFACE SIZE: 0.028 INCHES NOMINAL BOTH ENDS IN
•
FEATURES PROVIDED: SHORT SERIES
•
STYLE DESIGNATOR: L-HANDLE
TECHNICAL CHARACTERISTICS (FLIS)
SHORT ARM LENGTH0.125 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE OVERALL
SPECIFICATION/STANDARD DATA05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LONG ARM LENGTH1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
WRENCHING SURFACE SIZE0.028 INCHES NOMINAL BOTH ENDS IN
OVERALL LENGTH1.153 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
FEATURES PROVIDEDSHORT SERIES
STYLE DESIGNATORL-HANDLE
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
GGG-C-135 CL2ST1Interchangeable
interchangeable cross-reference
interchangeable
30013Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-135Interchangeable
interchangeable cross-reference
interchangeable
4FKW038Interchangeable
interchangeable cross-reference
interchangeable
028Interchangeable
interchangeable cross-reference
interchangeable
P2358Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 00777-0021-0?
00777-0021-0 is a KEY,SOCKET HEAD SCREW.
What parts can replace 00777-0021-0?
There are 29 known substitutes for 00777-0021-0: GGG-C-135 CL2ST1, 30013, GGG-C-135 and 26 more. Substitute compatibility should be verified for your specific system.
Is 00777-0021-0 still available?
00777-0021-0 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