F52890-4-9 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

F52890-4-9: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 NUT, nut_style: PLATE, nut_height: 0.781 INCHES MAXIMUM IN, nut_length: 1.306 INCHES MAXIMUM IN, plate_width: 0.534 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-444-7378, 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

F52890-4-9

NSN: 5310-01-444-7378
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 NUT
nut_style	PLATE
nut_height	0.781 INCHES MAXIMUM IN
nut_length	1.306 INCHES MAXIMUM IN
plate_width	0.534 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.781 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
special_features	FLOATING NUT
thread_direction	RIGHT-HAND
NSN	5310-01-444-7378

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE THICKNESS: 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN

•

NUT LENGTH: 1.306 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PLATE WIDTH: 0.534 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN

•

MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SHELL

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.781 INCHES MAXIMUM IN
PLATE THICKNESS	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
NUT LENGTH	1.306 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH	0.534 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE	2 HOLES
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SHELL
MOUNTING HOLE DIAMETER	0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH	0.562 INCHES MINIMUM FIRST END 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 1

03A169-4A9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 F52890-4-9?

F52890-4-9 is a NUT,SELF-LOCKING,PLATE.

What parts can replace F52890-4-9?

There is 1 known substitute for F52890-4-9: 03A169-4A9. Substitute compatibility should be verified for your specific system.

What is the NSN for F52890-4-9?

F52890-4-9 is cataloged in the U.S. Government catalog under NSN 5310-01-444-7378. This indicates validated use in U.S. government and defense supply chains.

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