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4031492009 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4031492009: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.724 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN, thread_class: 2A A, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-669-0775, 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
4031492009
NSN: 5310-01-669-0775
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.724 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
thread_class2A A
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE
thread_directionRIGHT-HAND
width_across_flats1.269 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
nominal_thread_size0.88 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identification01-641-7505
thread_quantity_per_inch9
NSN5310-01-669-0775
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4031492009 · 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: 1.269 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.88 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE
•
NUT HEIGHT: 0.724 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.269 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.88 INCHES IN
LOCKING FEATUREPREVAILING TORQUE
NUT HEIGHT0.724 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, HEX, LKDT, G8, MB, TAB
NUT STYLEHEXAGON
THREAD CLASS2A A
END ITEM IDENTIFICATION01-641-7505
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 4031492009?
4031492009 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 4031492009?
4031492009 is cataloged in the U.S. Government catalog under NSN 5310-01-669-0775. This indicates validated use in U.S. government and defense supply chains.
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