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89438557 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

89438557: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A STUD THREAD A, thread_length: 0.620 INCHES MINIMUM AND 0.770 INCHES MAXIMUM STUD THREAD IN, overall_length: 0.201 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.375 INCHES STUD THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-106-5317, 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
89438557
NSN: 5307-01-106-5317
FSC: 5307 — Studs
CAGE: F3880 — THALES AIR DEFENCE (FRA)
SPECIFICATIONS
materialSTEEL
thread_class3A STUD THREAD A
thread_length0.620 INCHES MINIMUM AND 0.770 INCHES MAXIMUM STUD THREAD IN
overall_length0.201 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_pitch_diameters+0.3929 TO 0.3965 INCHES STUD THREAD IN
thread_quantity_per_inch14 STUD THREAD
thread_series_designatorUNS STUD THREAD
NSN5307-01-106-5317
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 89438557 · 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: 0.620 INCHES MINIMUM AND 0.770 INCHES MAXIMUM STUD THREAD IN
•
THREAD PITCH DIAMETERS: +0.3929 TO 0.3965 INCHES STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
•
THREAD CLASS: 3A NUT THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.620 INCHES MINIMUM AND 0.770 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH0.880 INCHES MINIMUM AND 0.980 INCHES MAXIMUM NUT THREAD IN
THREAD PITCH DIAMETERS+0.3929 TO 0.3965 INCHES STUD THREAD IN
OVERALL LENGTH0.201 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
THREAD CLASS3A NUT THREAD A
THREAD CLASS3A STUD THREAD A
THREAD QUANTITY PER INCH14 STUD THREAD
SUBSTITUTES & CROSS-REFERENCES 3
238900Reference document
Same NSN cross-reference
Reference document — Secondary reference
D87255Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
237518Reference 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 89438557?
89438557 is a STUD,PLAIN.
What parts can replace 89438557?
There are 3 known substitutes for 89438557: 238900, D87255, 237518. Substitute compatibility should be verified for your specific system.
What is the NSN for 89438557?
89438557 is cataloged in the U.S. Government catalog under NSN 5307-01-106-5317. 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.