83674-4L — NUT,SELF-LOCKING,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

83674-4L: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, nut_style: SPLINE DRIVE, lubrication: DRY FILM LUBRICANT, thread_class: 3B, nut_thickness: 0.199 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-476-0872, 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

83674-4L

NSN: 5310-01-476-0872
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
nut_style	SPLINE DRIVE
lubrication	DRY FILM LUBRICANT
thread_class	3B
nut_thickness	0.199 INCHES MAXIMUM IN
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.250 INCHES IN
drive_point_quantity	12
bearing_surface_finish	125.0 MICROINCHES
NSN	5310-01-476-0872

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

BEARING SURFACE FINISH: 125.0 MICROINCHES

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 PER INCONEL 718 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
BEARING SURFACE FINISH	125.0 MICROINCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 PER INCONEL 718 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT THICKNESS	0.199 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

83674Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 83674-4L?

83674-4L is a NUT,SELF-LOCKING,ROUND.

What parts can replace 83674-4L?

There is 1 known substitute for 83674-4L: 83674. Substitute compatibility should be verified for your specific system.

What is the NSN for 83674-4L?

83674-4L is cataloged in the U.S. Government catalog under NSN 5310-01-476-0872. This indicates validated use in U.S. government and defense supply chains.

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83674-4L — NUT,SELF-LOCKING,ROUND

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