6566-40-503-8101 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6566-40-503-8101: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_diameter: 3.530 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.400 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT (UNJ), hardness_rating: 331.0 BRINELL HULTGREN MINIMUM AND 401.0 BRINELL HULTGREN MAXIMUM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-306-6034, 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

6566-40-503-8101

NSN: 5310-01-306-6034
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

nut_diameter	3.530 INCHES NOMINAL IN
thread_class	3B
nut_thickness	0.400 INCHES NOMINAL IN
thread_series	UNIFIED NATIONAL JOINT (UNJ)
hardness_rating	331.0 BRINELL HULTGREN MINIMUM AND 401.0 BRINELL HULTGREN MAXIMUM
special_features	MAGNETIC PARTICLE INSPECT; GROOVE,0.100 IN. W ON CTR OD; PAIRED HOLES MEET AT CTR GROOVE; CHAMFER,45.0 DEG,0.063 IN. LG,BOTH ENDS IN
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL BOTH ENDS
drive_point_depth	0.250 INCHES NOMINAL IN
drive_point_width	0.400 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	3.000 INCHES IN
NSN	5310-01-306-6034

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SS8435,CAGE CODE 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)

•

HARDNESS RATING: 331.0 BRINELL HULTGREN MINIMUM AND 401.0 BRINELL HULTGREN MAXIMUM

•

HOLE CONFIGURATION STYLE: CONFIGURATION J

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

DRIVE POINT WIDTH: 0.400 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 3.000 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	SS8435,CAGE CODE 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT (UNJ)
HARDNESS RATING	331.0 BRINELL HULTGREN MINIMUM AND 401.0 BRINELL HULTGREN MAXIMUM
HOLE CONFIGURATION STYLE	CONFIGURATION J
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH	0.400 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	3.000 INCHES IN
NUT DIAMETER	3.530 INCHES NOMINAL IN
DRIVE POINT DEPTH	0.250 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

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 6566-40-503-8101?

6566-40-503-8101 is a NUT,PLAIN,ROUND.

What is the NSN for 6566-40-503-8101?

6566-40-503-8101 is cataloged in the U.S. Government catalog under NSN 5310-01-306-6034. This indicates validated use in U.S. government and defense supply chains.

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6566-40-503-8101 — NUT,PLAIN,ROUND

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