HST230-8-2-8 — STUD,SHOULDERED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HST230-8-2-8: 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: 0.320 INCHES NOMINAL NUT THREAD IN, overall_length: 1.022 INCHES NOMINAL IN, shoulder_length: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN, special_features: BOTH ENDS HAVE A HEXAGON DRIVE STYLE; HEAT TREAT 160,000-. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-707-0899, 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

HST230-8-2-8

NSN: 5307-01-707-0899
FSC: 5307 — Studs
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	IRON ALLOY 660
thread_class	3A STUD THREAD A
thread_length	0.320 INCHES NOMINAL NUT THREAD IN
overall_length	1.022 INCHES NOMINAL IN
shoulder_length	0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
special_features	BOTH ENDS HAVE A HEXAGON DRIVE STYLE; HEAT TREAT 160,000-
style_designator	SHOULDERED
thread_direction	RIGHT-HAND STUD THREAD
shoulder_diameter	0.415 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.2500 INCHES NUT THREAD IN
nut_end_shank_length	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NSN	5307-01-707-0899

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: HI-SHEAR SPEC 258 A286 HIGH TEMPERATURE ALLOY MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

NUT END SHANK DIAMETER: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.320 INCHES NOMINAL NUT THREAD IN

•

STYLE DESIGNATOR: SHOULDERED

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 OR AMS 5737 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	HI-SHEAR SPEC 258 A286 HIGH TEMPERATURE ALLOY MFR REF SINGLE TREATMENT RESPONSE OVERALL
NUT END SHANK DIAMETER	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
THREAD LENGTH	0.320 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATOR	SHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 OR AMS 5737 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	1.022 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.2500 INCHES NUT THREAD IN

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 HST230-8-2-8?

HST230-8-2-8 is a STUD,SHOULDERED.

What parts can replace HST230-8-2-8?

There is 1 known substitute for HST230-8-2-8: HST230. Substitute compatibility should be verified for your specific system.

What is the NSN for HST230-8-2-8?

HST230-8-2-8 is cataloged in the U.S. Government catalog under NSN 5307-01-707-0899. This indicates validated use in U.S. government and defense supply chains.

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