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PartsTable / COMPONENT / E104555 FIND 79
E104555 FIND 79 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-900-0576, 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
E104555 FIND 79
NSN: 5305-00-900-0576
FSC: 5305
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class2A A
thread_length1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
end_item_identificationMRAP-RG-33 ARMORED UTILITY VEHICLE (AUV); ARMORED MULTI-PURPOSE VEHICLE (AMPV); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
NSN5305-00-900-0576
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: E104555 FIND 79 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 10
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
SURFACE FINISH: 63.0 MICROINCHES THREADS
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH10
END ITEM IDENTIFICATIONMRAP-RG-33 ARMORED UTILITY VEHICLE (AUV); ARMORED MULTI-PURPOSE VEHICLE (AMPV); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.750 INCHES IN
MATERIALSTEEL OVERALL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
SURFACE FINISH63.0 MICROINCHES THREADS
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
65-427Interchangeable
interchangeable cross-reference
interchangeable
60-457PC427Interchangeable
interchangeable cross-reference
interchangeable
60-65PC427Interchangeable
interchangeable cross-reference
interchangeable
60360Interchangeable
interchangeable cross-reference
interchangeable
223451Interchangeable
interchangeable cross-reference
interchangeable
54682Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E104555 FIND 79?
E104555 FIND 79 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace E104555 FIND 79?
There are 11 known substitutes for E104555 FIND 79: 65-427, 60-457PC427, 60-65PC427 and 8 more. Substitute compatibility should be verified for your specific system.
Is E104555 FIND 79 still available?
E104555 FIND 79 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