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B890 — BOLT,HOOK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B890: BOLT,HOOK.

The BOLT,HOOK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A A, thread_direction: RIGHT-HAND, features_provided: LOCK WASHER AND HEX NUT, surface_treatment: ZINC OVERALL, nominal_thread_diameter: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-381-3965, 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
B890
NSN: 5306-01-381-3965
FSC: 5306 — Bolts
CAGE: 29189 — MICROFLECT CO. INC. DBA VALMONT/MICROFLECT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
thread_directionRIGHT-HAND
features_providedLOCK WASHER AND HEX NUT
surface_treatmentZINC OVERALL
nominal_thread_diameter0.375 INCHES IN
distance_from_inside_of_bend_to_shank_end5.625 INCHES NOMINAL IN
NSN5306-01-381-3965
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B890 · 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
•
DISTANCE FROM INSIDE OF BEND TO SHANK END: 5.625 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: LOCK WASHER AND HEX NUT
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
DISTANCE FROM INSIDE OF BEND TO SHANK END5.625 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDLOCK WASHER AND HEX NUT
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A A
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B890?
B890 is a BOLT,HOOK.
What is the NSN for B890?
B890 is cataloged in the U.S. Government catalog under NSN 5306-01-381-3965. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.