20720C — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

20720C: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-199-6519, 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

20720C

NSN: 5310-00-199-6519
FSC: 5310 — Nuts and Washers
CAGE: 00736 — FALLS FILTRATION TECHNOLOGIES, INC. (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
nut_style	HEXAGON
nut_height	0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNF
thread_direction	RIGHT-HAND
width_across_flats	0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
bearing_surface_type	CHAMFERED OR WASHER FACED
thread_quantity_per_inch	28
nondefinitive_spec/std_data	2 TYPE AND 13 STYLE
departure_from_cited_designator	AS MODIFIED BY MATERIAL
NSN	5310-00-199-6519

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN

•

THREAD SERIES: UNF

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY MATERIAL

•

NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 13 STYLE

•

NUT HEIGHT: 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
THREAD SERIES	UNF
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY MATERIAL
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 13 STYLE
NUT HEIGHT	0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	2B

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 1

FFN836Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 20720C?

20720C is a NUT,PLAIN,HEXAGON.

What parts can replace 20720C?

There is 1 known substitute for 20720C: FFN836. Substitute compatibility should be verified for your specific system.

What is the NSN for 20720C?

20720C is cataloged in the U.S. Government catalog under NSN 5310-00-199-6519. This indicates validated use in U.S. government and defense supply chains.

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20720C — NUT,PLAIN,HEXAGON

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