PartsTable
Technical Data Sheet
Download PDF

90866A140 — NUT,PLAIN,WING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90866A140: NUT,PLAIN,WING.

The NUT,PLAIN,WING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: WING, thread_class: 2B, body_diameter: 0.7031 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.7969 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-619-7489, 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
90866A140
NSN: 5310-01-619-7489
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleWING
thread_class2B
body_diameter0.7031 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.7969 INCHES NOMINAL IN
special_featuresGREAT FOR MAKING ADJUSTMENTS IN THE FIELD; OFFER GOOD RUST RESISTANCE
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
wing_spread_width1.4375 INCHES NOMINAL IN
fabrication_methodSTAMPED
nominal_thread_size0.1875 INCHES IN
NSN5310-01-619-7489
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90866A140 · 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: 0.7031 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.1875 INCHES IN
•
SURFACE TREATMENT: ZINC OVERALL
•
NUT STYLE: WING
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.7031 INCHES NOMINAL IN
OVERALL HEIGHT0.7969 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.1875 INCHES IN
SPECIAL FEATURESGREAT FOR MAKING ADJUSTMENTS IN THE FIELD; OFFER GOOD RUST RESISTANCE
SURFACE TREATMENTZINC OVERALL
NUT STYLEWING
THREAD CLASS2B
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
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: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 90866A140?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 90866A140?
90866A140 is a NUT,PLAIN,WING.
What is the NSN for 90866A140?
90866A140 is cataloged in the U.S. Government catalog under NSN 5310-01-619-7489. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 90866A140

✓ 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.