7767668 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

7767668: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, nut_style: ROUND, nut_diameter: 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM IN, nut_thickness: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN, thread_series: UNS, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-776-7668, 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

7767668

NSN: 5310-00-776-7668
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
nut_style	ROUND
nut_diameter	5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM IN
nut_thickness	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
thread_series	UNS
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
special_features	3.830 IN. MIN 3.836 IN. MAX DIA COUNTERSTNK ON SMALL END AND 4.719 IN. DIA COUNTERSINK ON LARGE END IN
thread_direction	RIGHT-HAND
countersink_angle	119.0 DEGREES MINIMUM AND 121.0 DEGREES MAXIMUM SECOND END
drive_point_depth	0.312 INCHES NOMINAL IN
drive_point_width	0.250 INCHES NOMINAL IN
surface_treatment	PHOSPHATE MANGANESE OVERALL
NSN	5310-00-776-7668

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNS

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

THREAD PITCH DIAMETERS: +3.8575 TO 3.8631 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OR SAE FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NUT COUNTERBORE DEPTH: 0.125 INCHES NOMINAL NUT IN

•

DRIVE POINT WIDTH: 0.250 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNS
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS	+3.8575 TO 3.8631 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OR SAE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.125 INCHES NOMINAL NUT IN
DRIVE POINT WIDTH	0.250 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	3.891 INCHES IN
NUT DIAMETER	5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM 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 2

5310007767668Reference document

Same NSN cross-reference

Reference document — Informative reference only

6760593Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7767668?

7767668 is a NUT,PLAIN,ROUND.

What parts can replace 7767668?

There are 2 known substitutes for 7767668: 5310007767668, 6760593. Substitute compatibility should be verified for your specific system.

What is the NSN for 7767668?

7767668 is cataloged in the U.S. Government catalog under NSN 5310-00-776-7668. This indicates validated use in U.S. government and defense supply chains.

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