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HST230-8-8-9 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HST230-8-8-9: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A STUD THREAD A, thread_length: 0.484 INCHES MINIMUM AND 0.515 INCHES MAXIMUM STUD THREAD IN, overall_length: 1.371 INCHES MINIMUM AND 1.433 INCHES MAXIMUM IN, shoulder_length: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN, special_features: CETYL ALCOHOL LUBE AS PART OF FINISH. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-711-2187, 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
HST230-8-8-9
NSN: 5307-01-711-2187
FSC: 5307 — Studs
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class3A STUD THREAD A
thread_length0.484 INCHES MINIMUM AND 0.515 INCHES MAXIMUM STUD THREAD IN
overall_length1.371 INCHES MINIMUM AND 1.433 INCHES MAXIMUM IN
shoulder_length0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
special_featuresCETYL ALCOHOL LUBE AS PART OF FINISH
style_designatorSHOULDERED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.2500 INCHES STUD THREAD IN
stud_end_shank_length0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
NSN5307-01-711-2187
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HST230-8-8-9 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SHEAR SPEC 258 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.484 INCHES MINIMUM AND 0.515 INCHES MAXIMUM STUD THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.2500 INCHES STUD THREAD IN
•
SHOULDER DIAMETER: 0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSHEAR SPEC 258 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.484 INCHES MINIMUM AND 0.515 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.371 INCHES MINIMUM AND 1.433 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
NOMINAL THREAD SIZE0.2500 INCHES STUD THREAD IN
SHOULDER DIAMETER0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
STUD END SHANK DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
SPECIAL FEATURESCETYL ALCOHOL LUBE AS PART OF FINISH
SUBSTITUTES & CROSS-REFERENCES 1
HST230Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 HST230-8-8-9?
HST230-8-8-9 is a STUD,SHOULDERED.
What parts can replace HST230-8-8-9?
There is 1 known substitute for HST230-8-8-9: HST230. Substitute compatibility should be verified for your specific system.
What is the NSN for HST230-8-8-9?
HST230-8-8-9 is cataloged in the U.S. Government catalog under NSN 5307-01-711-2187. 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.