566-6985434-52 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

566-6985434-52: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY NUT, nut_style: HEXAGON, nut_height: 0.855 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-652-8241, 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

566-6985434-52

NSN: 5310-01-652-8241
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY NUT
nut_style	HEXAGON
nut_height	0.855 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
width_across_flats	1.052 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN
nominal_thread_size	0.750 INCHES IN
bearing_surface_type	CHAMFERED
end_item_identification	STERN DIVING
thread_quantity_per_inch	10
NSN	5310-01-652-8241

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.052 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.750 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.855 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.052 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.750 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.855 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	3B
END ITEM IDENTIFICATION	STERN DIVING

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

218024456FASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H623-0407-52Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 566-6985434-52?

566-6985434-52 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 566-6985434-52?

There are 2 known substitutes for 566-6985434-52: 218024456FA, H623-0407-52. Substitute compatibility should be verified for your specific system.

What is the NSN for 566-6985434-52?

566-6985434-52 is cataloged in the U.S. Government catalog under NSN 5310-01-652-8241. This indicates validated use in U.S. government and defense supply chains.

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566-6985434-52 — NUT,SELF-LOCKING,HEXAGON

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