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A16998X — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A16998X: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1112, thread_class: 5A STUD THREAD A, thread_length: 0.312 INCHES MINIMUM STUD THREAD IN, overall_length: 1.125 INCHES NOMINAL IN, special_features: 0.0625 IN. LG BY 25.0 DEG CHAMFER ON STUD END THREAD; 0.625 IN.

RADIUS ON NUT END THREAD IN, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S. Government catalog under NSN 5307-00-521-5111, 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
A16998X
NSN: 5307-00-521-5111
FSC: 5307 — Studs
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialSTEEL COMP B1112
thread_class5A STUD THREAD A
thread_length0.312 INCHES MINIMUM STUD THREAD IN
overall_length1.125 INCHES NOMINAL IN
special_features0.0625 IN. LG BY 25.0 DEG CHAMFER ON STUD END THREAD; 0.625 IN. RADIUS ON NUT END THREAD IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_quantity_per_inch24 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-521-5111
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A16998X · 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 LENGTH: 0.312 INCHES MINIMUM STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.312 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.562 INCHES MINIMUM NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
SPECIAL FEATURES0.0625 IN. LG BY 25.0 DEG CHAMFER ON STUD END THREAD; 0.625 IN. RADIUS ON NUT END THREAD IN
THREAD CLASS2A NUT THREAD A
SUBSTITUTES & CROSS-REFERENCES 2
417350Reference document
Same NSN cross-reference
Reference document — Secondary reference
A215111Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A16998X?
A16998X is a STUD,PLAIN.
What parts can replace A16998X?
There are 2 known substitutes for A16998X: 417350, A215111. Substitute compatibility should be verified for your specific system.
What is the NSN for A16998X?
A16998X is cataloged in the U.S. Government catalog under NSN 5307-00-521-5111. This indicates validated use in U.S. government and defense supply chains.
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