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1143PC227B — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1143PC227B: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2A NUT THREAD A, thread_length: 0.562 INCHES MINIMUM NUT THREAD IN, overall_length: 1.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-973-1307, 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
1143PC227B
NSN: 5307-00-973-1307
FSC: 5307 — Studs
CAGE: 80256 — OUTBOARD MARINE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2A NUT THREAD A
thread_length0.562 INCHES MINIMUM NUT THREAD IN
overall_length1.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_pitch_diameters+0.3376 TO 0.3396 INCHES STUD THREAD IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-973-1307
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1143PC227B · 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: 0.562 INCHES MINIMUM STUD THREAD IN
•
THREAD PITCH DIAMETERS: +0.3376 TO 0.3396 INCHES STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.562 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.562 INCHES MINIMUM NUT THREAD IN
THREAD PITCH DIAMETERS+0.3376 TO 0.3396 INCHES STUD THREAD IN
OVERALL LENGTH1.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD A
SUBSTITUTES & CROSS-REFERENCES 1
552887Reference 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 1143PC227B?
1143PC227B is a STUD,PLAIN.
What parts can replace 1143PC227B?
There is 1 known substitute for 1143PC227B: 552887. Substitute compatibility should be verified for your specific system.
What is the NSN for 1143PC227B?
1143PC227B is cataloged in the U.S. Government catalog under NSN 5307-00-973-1307. 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.