PartsTable
Technical Data Sheet
S300NA46FAA06354BNCH1 ✓ 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

SCREW,CAP,HEX SOCKET,BUTTON HEAD. Key specifications include color: BLACK, overall_length: 0.250 INCHES NOMINAL IN, overall_diameter: 0.190 INCHES NOMINAL IN, special_features: BUTTON HEAD HEX SCREW REQUIRED TO INTERFACE PROPERLY WITH BREECH MECHANISM, end_item_identification: HOWITZER, 155MM, M777 MM, part_name_assigned_by_controlling_agency: BUTTON HEAD HEX SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-529-2305, 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
S300NA46FAA06354BNCH1
NSN: 5305-01-529-2305
FSC: 5305
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
colorBLACK
overall_length0.250 INCHES NOMINAL IN
overall_diameter0.190 INCHES NOMINAL IN
special_featuresBUTTON HEAD HEX SCREW REQUIRED TO INTERFACE PROPERLY WITH BREECH MECHANISM
end_item_identificationHOWITZER, 155MM, M777 MM
part_name_assigned_by_controlling_agencyBUTTON HEAD HEX SCREW
NSN5305-01-529-2305
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S300NA46FAA06354BNCH1 · 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
COLOR: BLACK
OVERALL DIAMETER: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COLORBLACK
END ITEM IDENTIFICATIONHOWITZER, 155MM, M777 MM
OVERALL LENGTH0.250 INCHES NOMINAL IN
OVERALL DIAMETER0.190 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBUTTON HEAD HEX SCREW
SPECIAL FEATURESBUTTON HEAD HEX SCREW REQUIRED TO INTERFACE PROPERLY WITH BREECH MECHANISM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
26X16Interchangeable
interchangeable cross-reference
interchangeable
90102Interchangeable
interchangeable cross-reference
interchangeable
672551Interchangeable
interchangeable cross-reference
interchangeable
7701CREVBPC17Interchangeable
interchangeable cross-reference
interchangeable
3308048PC17Interchangeable
interchangeable cross-reference
interchangeable
3308048REVBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S300NA46FAA06354BNCH1?
S300NA46FAA06354BNCH1 is a SCREW,CAP,HEX SOCKET,BUTTON HEAD.
What parts can replace S300NA46FAA06354BNCH1?
There are 14 known substitutes for S300NA46FAA06354BNCH1: 26X16, 90102, 672551 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S300NA46FAA06354BNCH1?
S300NA46FAA06354BNCH1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-529-2305. This indicates validated use in U.S. government and defense supply chains.
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