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1377070 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1377070: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.750 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNEF, locking_feature: PREVAILING TORQUE ALL METAL DESIGN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-242-4302, 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
1377070
NSN: 5310-01-242-4302
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.750 INCHES NOMINAL IN
thread_class3B
thread_seriesUNEF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats2.487 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
nominal_thread_size1.620 INCHES IN
drilled_hole_diameter0.120 INCHES NOMINAL IN
hole_type_and_quantity1 DRILLED
hole_configuration_styleCONFIGURATION B
thread_quantity_per_inch18
NSN5310-01-242-4302
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1377070 · 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: 2.487 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
•
THREAD SERIES: UNEF
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.620 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
NUT HEIGHT: 0.750 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.487 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
THREAD SERIESUNEF
HOLE CONFIGURATION STYLECONFIGURATION B
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.620 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.750 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.120 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS3B
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 1377070?
1377070 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 1377070?
1377070 is cataloged in the U.S. Government catalog under NSN 5310-01-242-4302. This indicates validated use in U.S. government and defense supply chains.
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