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Technical Data Sheet
PartsTable / COMPONENT / 21046-1
21046-1 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include overall_width: 0.400 INCHES NOMINAL IN, overall_height: 0.300 INCHES NOMINAL IN, overall_length: 1.200 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-835-2068, 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
21046-1
NSN: 5306-00-835-2068
FSC: 5306
CAGE: 96151 — EATON CORPORATION DIV EATON FLUID POWER (USA)
SPECIFICATIONS
overall_width0.400 INCHES NOMINAL IN
overall_height0.300 INCHES NOMINAL IN
overall_length1.200 INCHES NOMINAL IN
NSN5306-00-835-2068
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21046-1 · 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
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD LENGTH: 0.625 INCHES MINIMUM IN
•
THREAD CLASS: 2A A
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 18
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
WIDTH BETWEEN FLATS: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD LENGTH0.625 INCHES MINIMUM IN
THREAD CLASS2A A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
HEAD HEIGHT0.375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SEAGULL PORTRAIT RPInterchangeable
interchangeable cross-reference
interchangeable
0527Interchangeable
interchangeable cross-reference
interchangeable
COLORFLAKE TM SEALER PART BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21046-1?
21046-1 is a BOLT,MACHINE.
What parts can replace 21046-1?
There are 3 known substitutes for 21046-1: SEAGULL PORTRAIT RP, 0527, COLORFLAKE TM SEALER PART B. Substitute compatibility should be verified for your specific system.
What is the NSN for 21046-1?
21046-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-835-2068. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026