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Technical Data Sheet
PartsTable / COMPONENT / ES-301
ES-301 ✓ 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 GOVERNOR,CONSTANT SPEED DRIVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 3.440 INCHES MAXIMUM IN, special_features: FORGED STEEL, style_designator: DOUBLE HEAD, surface_treatment: CHROMIUM OVERALL, large_end_head_angle: 15.0 DEGREES NOMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-277-8310, 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
ES-301
NSN: 5120-00-277-8310
FSC: 5120
CAGE: 06949 — EMPORIUM SPECIALTIES CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length3.440 INCHES MAXIMUM IN
special_featuresFORGED STEEL
style_designatorDOUBLE HEAD
surface_treatmentCHROMIUM OVERALL
large_end_head_angle15.0 DEGREES NOMINAL
small_end_head_angle60.0 DEGREES NOMINAL
wrenching_surface_size0.203 INCHES NOMINAL FIRST END IN
wrenching_surface_shapeOVAL BOTH ENDS INTERNAL
large_end_head_thickness0.109 INCHES MAXIMUM IN
small_end_head_thickness0.109 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 TYPE AND 2 CLASS
NSN5120-00-277-8310
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GOVERNOR,CONSTANT SPEED DRIVE TITLE COMPONENT PN ES-301 MFR GOVERNOR,CONSTANT SPEE
KEY FEATURES
•
LARGE END HEAD THICKNESS: 0.109 INCHES MAXIMUM IN
•
WRENCHING SURFACE SHAPE: OVAL BOTH ENDS INTERNAL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
SMALL END HEAD THICKNESS: 0.109 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
WRENCHING SURFACE SIZE: 0.234 INCHES NOMINAL SECOND END IN
•
LARGE END HEAD ANGLE: 15.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
LARGE END HEAD THICKNESS0.109 INCHES MAXIMUM IN
WRENCHING SURFACE SHAPEOVAL BOTH ENDS INTERNAL
SURFACE TREATMENTCHROMIUM OVERALL
SMALL END HEAD THICKNESS0.109 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SIZE0.234 INCHES NOMINAL SECOND END IN
LARGE END HEAD ANGLE15.0 DEGREES NOMINAL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 2 CLASS
OVERALL LENGTH3.440 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
WC65Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY6Interchangeable
interchangeable cross-reference
interchangeable
V-2Interchangeable
interchangeable cross-reference
interchangeable
X-603BInterchangeable
interchangeable cross-reference
interchangeable
CDA148Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ES-301?
ES-301 is a GOVERNOR,CONSTANT SPEED DRIVE.
What parts can replace ES-301?
There are 21 known substitutes for ES-301: WC65, GGG-W-636, GGG-W-636 TY6 and 18 more. Substitute compatibility should be verified for your specific system.
Is ES-301 still available?
ES-301 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