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Technical Data Sheet
PartsTable / COMPONENT / HLW7900L12-E-8.5
HLW7900L12-E-8.5 ✓ 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 HLW7900L12-E-8.5 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-190-9078, 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
HLW7900L12-E-8.5
NSN: 5305-01-190-9078
FSC: 5305
CAGE: 0HDW7 — HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION (USA)
SPECIFICATIONS
Part NumberHLW7900L12-E-8.5
NSN5305-01-190-9078
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HLW7900L12-E-8.5 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
INTERNAL DRIVE STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH28
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
583R583H33Interchangeable
interchangeable cross-reference
interchangeable
583R583Interchangeable
interchangeable cross-reference
interchangeable
FLW7900L-10-A-5Interchangeable
interchangeable cross-reference
interchangeable
HLW7900L6-B-5Interchangeable
interchangeable cross-reference
interchangeable
910423-001Interchangeable
interchangeable cross-reference
interchangeable
583R583H60Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HLW7900L12-E-8.5?
HLW7900L12-E-8.5 is a HLW7900L12-E-8.5.
What parts can replace HLW7900L12-E-8.5?
There are 9 known substitutes for HLW7900L12-E-8.5: 583R583H33, 583R583, FLW7900L-10-A-5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HLW7900L12-E-8.5?
HLW7900L12-E-8.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-190-9078. 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