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79NC2-048 — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

79NC2-048: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT, nut_style: CLINCH, nut_height: 0.398 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, pilot_length: 0.085 INCHES NOMINAL IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-321-2433, 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
79NC2-048
NSN: 5310-01-321-2433
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT
nut_styleCLINCH
nut_height0.398 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
pilot_length0.085 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
pilot_diameter0.349 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL EXCEPT INSERT
width_across_flats0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
NSN5310-01-321-2433
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 79NC2-048 · 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: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
•
THREAD SERIES: UNF
•
TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI GRADE 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
•
NUT COUNTERBORE DEPTH: 0.080 INCHES NOMINAL FIRST END IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD SERIESUNF
TEMP RATING250.0 FAHRENHEIT MAXIMUM DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONAISI GRADE 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,COMP A,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT
NUT COUNTERBORE DEPTH0.080 INCHES NOMINAL FIRST END IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
COUNTERBORE DIAMETER0.280 INCHES NOMINAL FIRST END IN
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 1
203-1163-P38Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 79NC2-048?
79NC2-048 is a NUT,SELF-LOCKING,CLINCH.
What parts can replace 79NC2-048?
There is 1 known substitute for 79NC2-048: 203-1163-P38. Substitute compatibility should be verified for your specific system.
What is the NSN for 79NC2-048?
79NC2-048 is cataloged in the U.S. Government catalog under NSN 5310-01-321-2433. This indicates validated use in U.S. government and defense supply chains.
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