BFN228-4-4 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

BFN228-4-4: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 CLIP, nut_style: PLATE (FLOATING), nut_height: 0.466 INCHES MAXIMUM IN, nut_length: 1.292 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.574 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-342-0281, 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

BFN228-4-4

NSN: 5310-01-342-0281
FSC: 5310 — Nuts and Washers
CAGE: 27238 — BRISTOL INDUSTRIES, LLC (USA)

SPECIFICATIONS

material	STEEL COMP 302 CLIP
nut_style	PLATE (FLOATING)
nut_height	0.466 INCHES MAXIMUM IN
nut_length	1.292 INCHES MAXIMUM IN
lubrication	DRY FILM LUBRICANT
plate_width	0.574 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
features_provided	FLOATING NUT
NSN	5310-01-342-0281

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

PLATE THICKNESS: 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN

•

NUT LENGTH: 1.292 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PLATE WIDTH: 0.574 INCHES MAXIMUM IN

•

MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
PLATE THICKNESS	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
NUT LENGTH	1.292 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 5737 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 5731 ASSN STD SINGLE TREATMENT RESPONSE SHELL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH	0.574 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE	2 HOLES
MOUNTING HOLE DIAMETER	0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH	0.250 INCHES MINIMUM NUT 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

03A228-4-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

NS202811-4-4Same 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 BFN228-4-4?

BFN228-4-4 is a NUT,SELF-LOCKING,PLATE.

What parts can replace BFN228-4-4?

There are 2 known substitutes for BFN228-4-4: 03A228-4-4, NS202811-4-4. Substitute compatibility should be verified for your specific system.

What is the NSN for BFN228-4-4?

BFN228-4-4 is cataloged in the U.S. Government catalog under NSN 5310-01-342-0281. This indicates validated use in U.S. government and defense supply chains.

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