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Technical Data Sheet
PartsTable / COMPONENT / 120677
120677 ✓ 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 special_features: MATERIAL FOR SEALS IS URETHANE, part_name_assigned_by_controlling_agency: SEAL KIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-0677, 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
120677
NSN: 5305-00-012-0677
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
special_featuresMATERIAL FOR SEALS IS URETHANE
part_name_assigned_by_controlling_agencySEAL KIT
NSN5305-00-012-0677
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120677 · 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
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 69000 POUNDS PER SQUARE INCH LBS
•
WIDTH BETWEEN FLATS: 0.562 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
HARDNESS RATING: 100.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 2 GRADE
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.500 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH69000 POUNDS PER SQUARE INCH LBS
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 2 GRADE
HEAD HEIGHT0.234 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A15442Interchangeable
interchangeable cross-reference
interchangeable
100-0818Interchangeable
interchangeable cross-reference
interchangeable
3011461Interchangeable
interchangeable cross-reference
interchangeable
120677Interchangeable
interchangeable cross-reference
interchangeable
42S5ETABLEVIIIInterchangeable
Same NIIN cross-reference
interchangeable
FFS85TYPE2STYLE10PGRADE2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120677?
120677 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 120677?
There are 6 known substitutes for 120677: A15442, 100-0818, 3011461 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120677?
120677 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-0677. 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