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NU-616 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NU-616: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL EXCEPT INSERT, nut_style: HEXAGON, nut_height: 0.763 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-488-8349, 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
NU-616
NSN: 5310-01-488-8349
FSC: 5310 — Nuts and Washers
CAGE: 27687 — GREER STOP NUT, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL EXCEPT INSERT
nut_styleHEXAGON
nut_height0.763 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identificationHATCH BALLIST
thread_quantity_per_inch16
NSN5310-01-488-8349
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NU-616 · 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: 0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
TEMP RATING: 250.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.763 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
TEMP RATING250.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.763 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS3B
END ITEM IDENTIFICATIONHATCH BALLIST
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 2
122-6600360 PC 58Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
122-6600361 PC 58Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 NU-616?
NU-616 is a NUT,PLAIN,HEXAGON.
What parts can replace NU-616?
There are 2 known substitutes for NU-616: 122-6600360 PC 58, 122-6600361 PC 58. Substitute compatibility should be verified for your specific system.
What is the NSN for NU-616?
NU-616 is cataloged in the U.S. Government catalog under NSN 5310-01-488-8349. This indicates validated use in U.S. government and defense supply chains.
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