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HST230-8-3-7 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HST230-8-3-7: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, thread_class: 3A STUD THREAD A, thread_length: 0.4375 INCHES NOMINAL STUD THREAD IN, overall_length: 0.9960 INCHES MINIMUM AND 1.0597 INCHES MAXIMUM IN, shoulder_length: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN, special_features: CETYL ALCOHOL LUBE PER HI SHEAR SPEC 305. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-705-7722, 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
HST230-8-3-7
NSN: 5307-01-705-7722
FSC: 5307 — Studs
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialIRON ALLOY 660
thread_class3A STUD THREAD A
thread_length0.4375 INCHES NOMINAL STUD THREAD IN
overall_length0.9960 INCHES MINIMUM AND 1.0597 INCHES MAXIMUM IN
shoulder_length0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
special_featuresCETYL ALCOHOL LUBE PER HI SHEAR SPEC 305
style_designatorSHOULDERED
shoulder_diameter0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
nut_end_shank_length0.1875 INCHES NOMINAL IN
nut_end_shank_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
NSN5307-01-705-7722
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HST230-8-3-7 · 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: HI SHEAR SPEC 258 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
NUT END SHANK DIAMETER: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.4375 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OR AMS5737 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD SIZE: 0.250 INCHES STUD THREAD IN
•
SHOULDER DIAMETER: 0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONHI SHEAR SPEC 258 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NUT END SHANK DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
THREAD LENGTH0.4375 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OR AMS5737 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.9960 INCHES MINIMUM AND 1.0597 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.250 INCHES STUD THREAD IN
SHOULDER DIAMETER0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
SPECIAL FEATURESCETYL ALCOHOL LUBE PER HI SHEAR SPEC 305
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HST230-8-3-7?
HST230-8-3-7 is a STUD,SHOULDERED.
What is the NSN for HST230-8-3-7?
HST230-8-3-7 is cataloged in the U.S. Government catalog under NSN 5307-01-705-7722. 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.