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79A27M-79-40A — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

79A27M-79-40A: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OR IRON ALLOY 660 SHELL, nut_height: 0.151 INCHES NOMINAL IN, nut_length: 0.455 INCHES NOMINAL IN, plate_width: 0.266 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-116-6639, 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
79A27M-79-40A
NSN: 5310-01-116-6639
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OR IRON ALLOY 660 SHELL
nut_height0.151 INCHES NOMINAL IN
nut_length0.455 INCHES NOMINAL IN
plate_width0.266 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
plate_thickness0.025 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
surface_treatmentPASSIVATE OVERALL EXCEPT INSERT
NSN5310-01-116-6639
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 79A27M-79-40A · 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
•
PLATE THICKNESS: 0.025 INCHES NOMINAL IN
•
NUT LENGTH: 0.455 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
•
DISTANCE FROM MOUNTING HOLE CENTER TO BASE: 0.230 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
PLATE WIDTH: 0.266 INCHES NOMINAL IN
•
TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.025 INCHES NOMINAL IN
NUT LENGTH0.455 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
DISTANCE FROM MOUNTING HOLE CENTER TO BASE0.230 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
PLATE WIDTH0.266 INCHES NOMINAL IN
TEMP RATING250.0 FAHRENHEIT MAXIMUM DEGF
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
DISTANCE FROM BASE TO CENTER OF APERTURE0.156 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD 1ST MATERIAL RESPONSE OR AMS 5525 ASSN STD 2ND MATERIAL RESPONSE SHELL
SUBSTITUTES & CROSS-REFERENCES 2
124779-05Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
79 A 27M-79-40Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 79A27M-79-40A?
79A27M-79-40A is a NUT,SELF-LOCKING,PLATE.
What parts can replace 79A27M-79-40A?
There are 2 known substitutes for 79A27M-79-40A: 124779-05, 79 A 27M-79-40. Substitute compatibility should be verified for your specific system.
What is the NSN for 79A27M-79-40A?
79A27M-79-40A is cataloged in the U.S. Government catalog under NSN 5310-01-116-6639. This indicates validated use in U.S. government and defense supply chains.
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