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300-312280-3 — STUD,CONTINUOUS THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

300-312280-3: STUD,CONTINUOUS THREAD.

The STUD,CONTINUOUS THREAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 1.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, cotter_pin_hole_diameter: 0.070 INCHES NOMINAL FIRST HOLE IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-775-9186, 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
300-312280-3
NSN: 5307-00-775-9186
FSC: 5307 — Studs
CAGE: 02SF5 — KAMP SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
cotter_pin_hole_diameter0.070 INCHES NOMINAL FIRST HOLE IN
thread_quantity_per_inch28 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNF LOCATION NOT OTHERWISE SPECIFIED
material_document_and_classificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
distance_from_cotter_pin_hole_centerline_to_nut_end0.750 INCHES NOMINAL FIRST HOLE IN
NSN5307-00-775-9186
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 300-312280-3 · 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
•
COTTER PIN HOLE DIAMETER: 0.070 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD CLASS: 3A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD QUANTITY PER INCH: 28 LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: STEEL COMP 4130
TECHNICAL CHARACTERISTICS
COTTER PIN HOLE DIAMETER0.070 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH28 LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL COMP 4130
THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END0.750 INCHES NOMINAL FIRST HOLE IN
SUBSTITUTES & CROSS-REFERENCES 1
56A23249-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 300-312280-3?
300-312280-3 is a STUD,CONTINUOUS THREAD.
What parts can replace 300-312280-3?
There is 1 known substitute for 300-312280-3: 56A23249-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 300-312280-3?
300-312280-3 is cataloged in the U.S. Government catalog under NSN 5307-00-775-9186. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.