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70-1320-9 — NUT,SELF-LOCKING,WING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

70-1320-9: NUT,SELF-LOCKING,WING.

The NUT,SELF-LOCKING,WING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2B STUD THREAD, thread_length: 0.525 INCHES NOMINAL STUD THREAD IN, overall_length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, style_designator: LOCKED IN, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-763-7872, 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
70-1320-9
NSN: 5310-00-763-7872
NIINs: 007637872, 016611343
FSC: 5310 — Nuts and Washers
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2B STUD THREAD
thread_length0.525 INCHES NOMINAL STUD THREAD IN
overall_length0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.256 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
nominal_thread_size0.1900 INCHES STUD THREAD IN
end_item_identification2350-01-458-7318
thread_quantity_per_inch32 STUD THREAD
thread_series_designatorUNF STUD THREAD
part_name_assigned_by_controlling_agencyPRESS-IN CAPTIVE STUD
NSN5310-00-763-7872
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 70-1320-9 · 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: 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.313 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT STYLE: WING
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
OVERALL HEIGHT0.718 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.313 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT STYLEWING
THREAD CLASS3B
END ITEM IDENTIFICATIONW/S: AIRCRAFT, C-2A (REPROCURED); RADAR SET, LIGHTWEIGHT 3D (AN/TPS-59); GENERATOR SET, TACT QUIET, 60KW, 400HZ, MEP-816A; HELICOPTER, USCG SEARCH AND RESCUE, HH-60J; HELICOPTER, MH-53E; GENERATOR, 60KW, DIESEL, MILITARY STANDARD FAMILY; HELICOPTER, SEARCH AND RESCUE, HH-60H; ENGINE, AIRCRAFT T-700; HELICOPTER, ADVANCE ATTACK, AH-1W; HELICOPTER, CARRIER BASED ASW, SH-60F A
THREAD QUANTITY PER INCH18
SUBSTITUTES & CROSS-REFERENCES 3
1725052Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310007637872Reference document
Same NSN cross-reference
Reference document — Secondary reference
WC058Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 70-1320-9?
70-1320-9 is a NUT,SELF-LOCKING,WING.
What parts can replace 70-1320-9?
There are 3 known substitutes for 70-1320-9: 1725052, 5310007637872, WC058. Substitute compatibility should be verified for your specific system.
What is the NSN for 70-1320-9?
70-1320-9 is cataloged in the U.S. Government catalog under NSN 5310-00-763-7872. This indicates validated use in U.S. government and defense supply chains.
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