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Technical Data Sheet
PartsTable / COMPONENT / HLW7900L6-B-8.5
HLW7900L6-B-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 HLW7900L6-B-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 5305-01-190-9080, 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
HLW7900L6-B-8.5
NSN: 5305-01-190-9080
FSC: 5305
CAGE: 0HDW7 — HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION (USA)
SPECIFICATIONS
Part NumberHLW7900L6-B-8.5
NSN5305-01-190-9080
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HLW7900L6-B-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
•
INTERNAL DRIVE STYLE: HEXAGON
•
HEAD STYLE: HEXAGON
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
THREAD LENGTH: 0.203 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLEHEXAGON
HEAD STYLEHEXAGON
THREAD CLASS2A A
WIDTH BETWEEN FLATS0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
HEAD HEIGHT0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
THREAD LENGTH0.203 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
FASTENER LENGTH0.719 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
583R583H33Interchangeable
interchangeable cross-reference
interchangeable
583R583Interchangeable
interchangeable cross-reference
interchangeable
FLW7900L-10-A-5Interchangeable
interchangeable cross-reference
interchangeable
583R583J01Interchangeable
interchangeable cross-reference
interchangeable
HLW7900L6-B-5Interchangeable
interchangeable cross-reference
interchangeable
910423-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HLW7900L6-B-8.5?
HLW7900L6-B-8.5 is a HLW7900L6-B-8.5.
What parts can replace HLW7900L6-B-8.5?
There are 10 known substitutes for HLW7900L6-B-8.5: 583R583H33, 583R583, FLW7900L-10-A-5 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HLW7900L6-B-8.5?
HLW7900L6-B-8.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-190-9080. 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