F52866-4-21 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

F52866-4-21: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 CLIP, nut_style: PLATE (FLOATING), nut_height: 0.750 INCHES NOMINAL IN, nut_length: 1.375 INCHES NOMINAL IN, plate_width: 0.865 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-349-9336, 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

F52866-4-21

NSN: 5310-01-349-9336
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL COMP 631 CLIP
nut_style	PLATE (FLOATING)
nut_height	0.750 INCHES NOMINAL IN
nut_length	1.375 INCHES NOMINAL IN
plate_width	0.865 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.027 INCHES MAXIMUM IN
special_features	BOSS EXTENDS TO OPPOSITE SIDE OF PLATE
thread_direction	RIGHT-HAND
features_provided	FLOATING NUT
NSN	5310-01-349-9336

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE THICKNESS: 0.027 INCHES MAXIMUM IN

•

NUT LENGTH: 1.375 INCHES NOMINAL IN

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PLATE WIDTH: 0.865 INCHES MAXIMUM IN

•

MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE NUT

TECHNICAL CHARACTERISTICS

PLATE THICKNESS	0.027 INCHES MAXIMUM IN
NUT LENGTH	1.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH	0.865 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE	2 HOLES
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE SHELL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE BASE
MOUNTING HOLE DIAMETER	0.103 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 1

03A242-4-21Same 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 F52866-4-21?

F52866-4-21 is a NUT,SELF-LOCKING,PLATE.

What parts can replace F52866-4-21?

There is 1 known substitute for F52866-4-21: 03A242-4-21. Substitute compatibility should be verified for your specific system.

What is the NSN for F52866-4-21?

F52866-4-21 is cataloged in the U.S. Government catalog under NSN 5310-01-349-9336. This indicates validated use in U.S. government and defense supply chains.

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