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BF 232521-N — NUT,PLAIN,WING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BF 232521-N: NUT,PLAIN,WING.

The NUT,PLAIN,WING is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY OVERALL, nut_style: WING, body_diameter: 0.335 INCHES NOMINAL IN, overall_height: 0.465 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, washer_thickness: 0.035 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-694-8280, 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
BF 232521-N
NSN: 5310-01-694-8280
FSC: 5310 — Nuts and Washers
CAGE: 5F892 — BUCKEYE FASTENERS, INC. (USA)
SPECIFICATIONS
materialZINC ALLOY OVERALL
nut_styleWING
body_diameter0.335 INCHES NOMINAL IN
overall_height0.465 INCHES NOMINAL IN
thread_directionRIGHT-HAND
washer_thickness0.035 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
wing_spread_width1.000 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
end_item_identification1440-01-586-9261
washer_outside_diameter0.735 INCHES NOMINAL IN
thread_quantity_per_inch20
NSN5310-01-694-8280
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BF 232521-N · 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
•
BODY DIAMETER: 0.335 INCHES NOMINAL IN
•
WASHER OUTSIDE DIAMETER: 0.735 INCHES NOMINAL IN
•
WASHER THICKNESS: 0.035 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.335 INCHES NOMINAL IN
OVERALL HEIGHT0.465 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER0.735 INCHES NOMINAL IN
WASHER THICKNESS0.035 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
SURFACE TREATMENTNICKEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER BASED WING
NUT STYLEWING
END ITEM IDENTIFICATION1440-01-586-9261
SUBSTITUTES & CROSS-REFERENCES 1
28-0304Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 BF 232521-N?
BF 232521-N is a NUT,PLAIN,WING.
What parts can replace BF 232521-N?
There is 1 known substitute for BF 232521-N: 28-0304. Substitute compatibility should be verified for your specific system.
What is the NSN for BF 232521-N?
BF 232521-N is cataloged in the U.S. Government catalog under NSN 5310-01-694-8280. 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.