520844 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

520844: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: ROUND, nut_diameter: 5.572 INCHES MINIMUM AND 5.576 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN, thread_series: UNJS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-912-0658, 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

520844

NSN: 5310-00-912-0658
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
nut_style	ROUND
nut_diameter	5.572 INCHES MINIMUM AND 5.576 INCHES MAXIMUM IN
thread_class	3B
nut_thickness	1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN
thread_series	UNJS
hardness_rating	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
countersink_angle	2.0 DEGREES MINIMUM AND 4.0 DEGREES MAXIMUM BASE
drive_point_depth	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
drive_point_width	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
surface_treatment	SILVER OVERALL
NSN	5310-00-912-0658

COMPONENT DIAGRAM

KEY FEATURES

•

HOLE THREAD QUANTITY PER INCH: 28

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2210 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2212 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNJS

•

HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM

•

HOLE CONFIGURATION STYLE: CONFIGURATION F

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AM 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NUT COUNTERBORE DEPTH: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM BASE IN

•

DRIVE POINT WIDTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

HOLE THREAD QUANTITY PER INCH	28
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2210 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2212 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNJS
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLE	CONFIGURATION F
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AM 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM BASE IN
DRIVE POINT WIDTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	4.9375 INCHES 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 520844?

520844 is a NUT,PLAIN,ROUND.

What is the NSN for 520844?

520844 is cataloged in the U.S. Government catalog under NSN 5310-00-912-0658. This indicates validated use in U.S. government and defense supply chains.

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520844 — NUT,PLAIN,ROUND

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