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HT193LB3-8 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT193LB3-8: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, hole_type: DRILLED, head_style: PAN, grip_length: 0.500 INCHES NOMINAL IN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-100-6320, 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
HT193LB3-8
NSN: 5305-00-100-6320
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
hole_typeDRILLED
head_stylePAN
grip_length0.500 INCHES NOMINAL IN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
hole_diameter0.037 INCHES NOMINAL IN
thread_length0.339 INCHES MINIMUM IN
surface_finish63.0 MICROINCHES GRIP
fastener_length0.823 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
NSN5305-00-100-6320
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT193LB3-8 · 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 FINISH: 63.0 MICROINCHES GRIP
•
HEAD HEIGHT: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.823 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.339 INCHES MINIMUM IN
•
HOLE CONFIGURATION STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: NAS 621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
FASTENER LENGTH0.823 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
THREAD LENGTH0.339 INCHES MINIMUM IN
HOLE CONFIGURATION STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONNAS 621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 3
67077-3-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HT193LBH3-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HT8099-3D8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HT193LB3-8?
HT193LB3-8 is a SCREW,CLOSE TOLERANCE.
What parts can replace HT193LB3-8?
There are 3 known substitutes for HT193LB3-8: 67077-3-8, HT193LBH3-8, HT8099-3D8. Substitute compatibility should be verified for your specific system.
What is the NSN for HT193LB3-8?
HT193LB3-8 is cataloged in the U.S. Government catalog under NSN 5305-00-100-6320. This indicates validated use in U.S. government and defense supply chains.
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