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Technical Data Sheet
PartsTable / COMPONENT / 582974
582974 ✓ 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 SCREW,LAG is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, head_height: 0.203 INCHES NOMINAL IN, fastener_length: 3.000 INCHES NOMINAL IN, hardness_rating: 95.0 ROCKWELL B MAXIMUM OVERALL, width_between_flats: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-587-4245, 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
582974
NSN: 5305-00-587-4245
FSC: 5305
CAGE: 00000
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.203 INCHES NOMINAL IN
fastener_length3.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
width_between_flats0.500 INCHES NOMINAL IN
nonmachine_thread_styleWOOD SCREW (TYPE WD)
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
nonmachine_nominal_thread_diameter0.312 INCHES IN
NSN5305-00-587-4245
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 582974 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
HEAD STYLE: SQUARE
•
NONMACHINE THREAD STYLE: WOOD SCREW (TYPE WD)
TECHNICAL CHARACTERISTICS (FLIS)
NONMACHINE NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD HEIGHT0.203 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
HEAD STYLESQUARE
NONMACHINE THREAD STYLEWOOD SCREW (TYPE WD)
FASTENER LENGTH3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2N3666Interchangeable
interchangeable cross-reference
interchangeable
102-302Interchangeable
interchangeable cross-reference
interchangeable
122200-1085Interchangeable
interchangeable cross-reference
interchangeable
410006Interchangeable
interchangeable cross-reference
interchangeable
418767-98Interchangeable
interchangeable cross-reference
interchangeable
VMC-1180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 582974?
582974 is a SCREW,LAG.
What parts can replace 582974?
There are 11 known substitutes for 582974: 2N3666, 102-302, 122200-1085 and 8 more. Substitute compatibility should be verified for your specific system.
Is 582974 still available?
582974 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026