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PartsTable / COMPONENT / M20407
M20407 ✓ 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: 0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN, fastener_length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM 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 5305-00-018-1484, 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
M20407
NSN: 5305-00-018-1484
FSC: 5305
CAGE: 61038 — VICKERS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
thread_class2A A
thread_length1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
fastener_length1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
minimum_yield_strength85000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
NSN5305-00-018-1484
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M20407 · 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
•
THREAD LENGTH: 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 18
•
THREAD SERIES DESIGNATOR: UNF
•
WIDTH BETWEEN FLATS: 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
HEAD HEIGHT0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
A040-13NA01-253Interchangeable
interchangeable cross-reference
interchangeable
27968FPC51Interchangeable
interchangeable cross-reference
interchangeable
SL6633PC9Interchangeable
interchangeable cross-reference
interchangeable
69B38208Interchangeable
interchangeable cross-reference
interchangeable
1-0078Interchangeable
interchangeable cross-reference
interchangeable
MP671Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M20407?
M20407 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace M20407?
There are 24 known substitutes for M20407: A040-13NA01-253, 27968FPC51, SL6633PC9 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M20407?
M20407 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-018-1484. 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