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Technical Data Sheet
PartsTable / MRO / 120276
120276 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The 120276 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, thread_length: 0.276 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 6145-01-609-8321, 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
MRO→ MRO_GENERAL→ 120276
NSN: 6145-01-609-8321
FSC: 6145
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (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
thread_length0.276 INCHES NOMINAL IN
screw_materialTITANIUM
fastener_length0.714 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
NSN6145-01-609-8321
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 120276 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYCABLE
PART NAME ASSIGNED BY CONTROLLING AGENCYCABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
W71X4Interchangeable
interchangeable cross-reference
interchangeable
120315Interchangeable
interchangeable cross-reference
interchangeable
900159Interchangeable
interchangeable cross-reference
interchangeable
120274Interchangeable
interchangeable cross-reference
interchangeable
A-203-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120276?
120276 is a 120276. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120276?
There are 12 known substitutes for 120276: SAE-J512, W71X4, 120315 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120276?
120276 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-609-8321. 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