PartsTable
Technical Data Sheet
8519ITEM3 ✓ 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 STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.500 INCHES MINIMUM NUT THREAD IN, overall_length: 3.500 INCHES MINIMUM AND 3.525 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.312 INCHES NUT THREAD 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 5307-00-206-2557, 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
8519ITEM3
NSN: 5307-00-206-2557
FSC: 5307
CAGE: 83590 — SMITH METER INC PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.500 INCHES MINIMUM NUT THREAD IN
overall_length3.500 INCHES MINIMUM AND 3.525 INCHES MAXIMUM IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_pitch_diameters+0.2840 TO 0.2870 INCHES STUD THREAD IN
thread_quantity_per_inch24 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-206-2557
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8519ITEM3 · 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
THREAD QUANTITY PER INCH: 24 NUT THREAD
MATERIAL: STEEL
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
THREAD DIRECTION: RIGHT-HAND NUT THREAD
THREAD CLASS: 3A NUT THREAD A
THREAD PITCH DIAMETERS: +0.2840 TO 0.2870 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24 NUT THREAD
MATERIALSTEEL
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
OVERALL LENGTH3.500 INCHES MINIMUM AND 3.525 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD CLASS3A NUT THREAD A
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD PITCH DIAMETERS+0.2840 TO 0.2870 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
THREAD QUANTITY PER INCH24 STUD THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
X5008/12/149 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
102430Interchangeable
interchangeable cross-reference
interchangeable
149/3Interchangeable
interchangeable cross-reference
interchangeable
1493Interchangeable
interchangeable cross-reference
interchangeable
ISP-061Interchangeable
interchangeable cross-reference
interchangeable
115581Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8519ITEM3?
8519ITEM3 is a STUD,PLAIN.
What parts can replace 8519ITEM3?
There are 12 known substitutes for 8519ITEM3: X5008/12/149 ITEM 3, 102430, 149/3 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8519ITEM3?
8519ITEM3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-206-2557. This indicates validated use in U.S. government and defense supply chains.
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