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EWSB22-7-18 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

EWSB22-7-18: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, fastener_length: 0.591 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, end_item_identification: HELICOPTER, nominal_thread_diameter: 0.437 INCHES IN, thread_quantity_per_inch: 20. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-538-6466, 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
EWSB22-7-18
NSN: 5306-01-538-6466
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
fastener_length0.591 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
end_item_identificationHELICOPTER
nominal_thread_diameter0.437 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
nonstandard_thread_pitch_diameter+0.4358 TO 0.4367 INCHES IN
NSN5306-01-538-6466
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: EWSB22-7-18 · 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
•
FASTENER LENGTH: 0.591 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.437 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
NONSTANDARD THREAD PITCH DIAMETER: +0.4358 TO 0.4367 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.591 INCHES MINIMUM AND 0.638 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.437 INCHES IN
THREAD DIRECTIONRIGHT-HAND
NONSTANDARD THREAD PITCH DIAMETER+0.4358 TO 0.4367 INCHES IN
END ITEM IDENTIFICATIONHELICOPTER
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EWSB22-7-18?
EWSB22-7-18 is a BOLT,SHEAR.
What is the NSN for EWSB22-7-18?
EWSB22-7-18 is cataloged in the U.S. Government catalog under NSN 5306-01-538-6466. 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.