PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 71997-6
71997-6 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, point_style: BALL, point_length: 0.375 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 3.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-302-9458, 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
71997-6
NSN: 5305-01-302-9458
FSC: 5305
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
point_styleBALL
point_length0.375 INCHES NOMINAL IN
thread_class2A A
thread_length3.375 INCHES NOMINAL IN
fastener_length3.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats0.625 INCHES NOMINAL IN
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
NSN5305-01-302-9458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 71997-6 · 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
•
HEAD STYLE: SQUARE
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 3.375 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 11
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLESQUARE
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH3.375 INCHES NOMINAL IN
THREAD QUANTITY PER INCH11
WIDTH BETWEEN FLATS0.625 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
8016643Interchangeable
interchangeable cross-reference
interchangeable
2660Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
15005-167Interchangeable
interchangeable cross-reference
interchangeable
660Interchangeable
interchangeable cross-reference
interchangeable
NSW-06-030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71997-6?
71997-6 is a SETSCREW.
What parts can replace 71997-6?
There are 14 known substitutes for 71997-6: 8016643, 2660, 00044 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71997-6?
71997-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-302-9458. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026