PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AN365-640C
AN365-640C ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.172 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 2B, thread_series: UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-298-4537, 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
AN365-640C
NSN: 5310-00-298-4537
FSC: 5310
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.172 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class2B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
NSN5310-00-298-4537
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN365-640C · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
SURFACE TREATMENT: CADMIUM OVERALL
•
WIDTH ACROSS FLATS: 0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
BEARING SURFACE FINISH125.0 MICROINCHES
NOMINAL THREAD SIZE0.138 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
SURFACE TREATMENTCADMIUM OVERALL
WIDTH ACROSS FLATS0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.172 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH40
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
101T931Interchangeable
interchangeable cross-reference
interchangeable
AN365-1032CInterchangeable
interchangeable cross-reference
interchangeable
ANN5BInterchangeable
interchangeable cross-reference
interchangeable
FFS85TYPE2STYLE10PInterchangeable
interchangeable cross-reference
interchangeable
180160Interchangeable
interchangeable cross-reference
interchangeable
2919995Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN365-640C?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AN365-640C?
AN365-640C is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace AN365-640C?
There are 12 known substitutes for AN365-640C: 101T931, AN365-1032C, ANN5B and 9 more. Substitute compatibility should be verified for your specific system.
Is AN365-640C still available?
AN365-640C is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AN365-640C

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026