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Technical Data Sheet
PartsTable / COMPONENT / 1683-B ITEM 11
1683-B ITEM 11 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, surface_treatment: ZINC OVERALL, material_document_and_classification: CARBON STEEL GRADE 5, CAGEC 90800 MFR REF SINGLE MATERIAL RESPONSE OVERALL, surface_treatment_document_and_classification: GALVANIZED, CAGEC 90800 MFR REF SINGLE TREATMENT RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-424-8608, 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
1683-B ITEM 11
NSN: 5306-01-424-8608
FSC: 5306
CAGE: 90800 — ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROLS DIV HAYS FLUID CONTROLS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
surface_treatmentZINC OVERALL
material_document_and_classificationCARBON STEEL GRADE 5, CAGEC 90800 MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationGALVANIZED, CAGEC 90800 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5306-01-424-8608
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1683-B ITEM 11 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: GALVANIZED, CAGEC 90800 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: CARBON STEEL GRADE 5, CAGEC 90800 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGALVANIZED, CAGEC 90800 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONCARBON STEEL GRADE 5, CAGEC 90800 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5456Upgraded Successor
successor cross-reference
successor
BT444Interchangeable
interchangeable cross-reference
interchangeable
042893Interchangeable
interchangeable cross-reference
interchangeable
675234Interchangeable
interchangeable cross-reference
interchangeable
85456Interchangeable
interchangeable cross-reference
interchangeable
51-900Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1683-B ITEM 11?
1683-B ITEM 11 is a BOLT,MACHINE.
What parts can replace 1683-B ITEM 11?
There are 8 known substitutes for 1683-B ITEM 11: 5456, BT444, 042893 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1683-B ITEM 11?
1683-B ITEM 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-424-8608. 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