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BH01019A4 — NUT,SELF-LOCKING,SINGLE BALL SEA

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BH01019A4: NUT,SELF-LOCKING,SINGLE BALL SEA.

NUT,SELF-LOCKING,SINGLE BALL SEA. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: SINGLE BALL SEAT, HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), locking_feature: PREVAILING TORQUE ALL METAL DESIGN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-563-8916, 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
BH01019A4
NSN: 5310-01-563-8916
FSC: 5310 — Nuts and Washers
CAGE: 27238 — BRISTOL INDUSTRIES, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
nut_styleSINGLE BALL SEAT, HEXAGON
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
end_item_identificationAIRCRAFT, C-5
thread_quantity_per_inch28
part_name_assigned_by_controlling_agencyNUT
NSN5310-01-563-8916
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BH01019A4 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
NUT STYLE: SINGLE BALL SEAT, HEXAGON
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT
NUT STYLESINGLE BALL SEAT, HEXAGON
THREAD CLASS3B
END ITEM IDENTIFICATIONAIRCRAFT, C-5
THREAD QUANTITY PER INCH28
MATERIALSTEEL COMP 8740 OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 BH01019A4?
BH01019A4 is a NUT,SELF-LOCKING,SINGLE BALL SEA.
What is the NSN for BH01019A4?
BH01019A4 is cataloged in the U.S. Government catalog under NSN 5310-01-563-8916. This indicates validated use in U.S. government and defense supply chains.
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