21989N PC 5 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

21989N PC 5: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, special_features: PARKERIZED SURFACE FINISH. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-470-6531, 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

21989N PC 5

NSN: 5310-01-470-6531
FSC: 5310 — Nuts and Washers
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
nut_height	0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNF
special_features	PARKERIZED SURFACE FINISH
thread_direction	RIGHT-HAND
width_across_flats	0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_size	0.500 INCHES IN
bearing_surface_type	WASHER FACED
end_item_identification	VALUE:WSD;NIMITZ CLASS CVN
thread_quantity_per_inch	20
NSN	5310-01-470-6531

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN

•

THREAD SERIES: UNF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.500 INCHES IN

•

NUT HEIGHT: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD SERIES	UNF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.500 INCHES IN
NUT HEIGHT	0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
SPECIAL FEATURES	PARKERIZED SURFACE FINISH
NUT STYLE	HEXAGON
THREAD CLASS	3B
END ITEM IDENTIFICATION	VALUE:WSD;NIMITZ CLASS CVN
THREAD QUANTITY PER INCH	20

SUBSTITUTES & CROSS-REFERENCES 4

26583Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

22821NReference document

Same NSN cross-reference

Reference document — Drawing number reference only

26588Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

22821N PC 5Same 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 21989N PC 5?

21989N PC 5 is a NUT,PLAIN,HEXAGON.

What parts can replace 21989N PC 5?

There are 4 known substitutes for 21989N PC 5: 26583, 22821N, 26588 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 21989N PC 5?

21989N PC 5 is cataloged in the U.S. Government catalog under NSN 5310-01-470-6531. This indicates validated use in U.S. government and defense supply chains.

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