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20-41276-3 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20-41276-3: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, nut_style: HEXAGON, nut_height: 0.218 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-9765, 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
20-41276-3
NSN: 5310-00-208-9765
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
nut_styleHEXAGON
nut_height0.218 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats1.625 INCHES NOMINAL IN
nominal_thread_size1.250 INCHES IN
bearing_surface_typeWASHER FACED
drilled_hole_diameter0.070 INCHES NOMINAL IN
hole_type_and_quantity6 DRILLED
NSN5310-00-208-9765
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-41276-3 · 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
•
WIDTH ACROSS FLATS: 1.625 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
MATERIAL DOCUMENT AND CLASSIFICATION: AAMS 6370 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
NUT HEIGHT: 0.218 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.070 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.625 INCHES NOMINAL IN
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION B
MATERIAL DOCUMENT AND CLASSIFICATIONAAMS 6370 FED SPEC ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
NUT HEIGHT0.218 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLEHEXAGON
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20-41276-3?
20-41276-3 is a NUT,PLAIN,HEXAGON.
What is the NSN for 20-41276-3?
20-41276-3 is cataloged in the U.S. Government catalog under NSN 5310-00-208-9765. 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.