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PartsTable / COMPONENT / 120-276C4T19
120-276C4T19 ✓ 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,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: ROUND EXTENDED WASHER, head_height: 0.500 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.437 INCHES NOMINAL IN, handle_diameter: 0.248 INCHES MINIMUM AND 0.249 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 5305-01-655-9201, 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
120-276C4T19
NSN: 5305-01-655-9201
FSC: 5305
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleROUND EXTENDED WASHER
head_height0.500 INCHES NOMINAL IN
thread_class3A A
head_diameter0.437 INCHES NOMINAL IN
handle_diameter0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
washer_quantity1
special_featuresTHIS SCREW IS INTENDED FOR GENERAL PURPOSE APPLICATIONS
thread_directionRIGHT-HAND
head_minor_diameter0.437 INCHES NOMINAL IN
internal_drive_styleTORX
primary_washer_styleFLAT
NSN5305-01-655-9201
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120-276C4T19 · 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: ROUND EXTENDED WASHER
•
INTERNAL DRIVE STYLE: TORX
•
EXTENDED WASHER THICKNESS: 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
PRIMARY WASHER STYLE: FLAT
•
HEAD MINOR DIAMETER: 0.437 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEROUND EXTENDED WASHER
INTERNAL DRIVE STYLETORX
EXTENDED WASHER THICKNESS0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
PRIMARY WASHER STYLEFLAT
HEAD MINOR DIAMETER0.437 INCHES NOMINAL IN
THREAD CLASS3A A
WASHER QUANTITY1
SPECIAL FEATURESTHIS SCREW IS INTENDED FOR GENERAL PURPOSE APPLICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
120-276V3T14Interchangeable
interchangeable cross-reference
interchangeable
120276Interchangeable
interchangeable cross-reference
interchangeable
MC-006953-45Interchangeable
interchangeable cross-reference
interchangeable
120274Interchangeable
interchangeable cross-reference
interchangeable
120-276C4T14Interchangeable
interchangeable cross-reference
interchangeable
120-276V08T7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-276C4T19?
120-276C4T19 is a SCREW,ASSEMBLED WASHER.
What parts can replace 120-276C4T19?
There are 6 known substitutes for 120-276C4T19: 120-276V3T14, 120276, MC-006953-45 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-276C4T19?
120-276C4T19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-655-9201. 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