83671-7L — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

83671-7L: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: NICKEL ALLOY 718 OVERALL, nut_style: SPLINE DRIVE, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.475 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-347-9820, 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

83671-7L

NSN: 5310-01-347-9820
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
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.475 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.055 INCHES MINIMUM IN
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.437 INCHES IN
drive_point_quantity	18
NSN	5310-01-347-9820

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.763 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

WASHER THICKNESS: 0.055 INCHES MINIMUM IN

•

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

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.475 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.763 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS	0.055 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.437 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

SUBSTITUTES & CROSS-REFERENCES 4

VN3201YL070Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

BH102-7LSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

03A102-7LReference document

Same NSN cross-reference

Reference document — Secondary reference

H52765-7DLSame 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 83671-7L?

83671-7L is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 83671-7L?

There are 4 known substitutes for 83671-7L: VN3201YL070, BH102-7L, 03A102-7L and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 83671-7L?

83671-7L is cataloged in the U.S. Government catalog under NSN 5310-01-347-9820. This indicates validated use in U.S. government and defense supply chains.

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83671-7L — NUT,SELF-LOCKING,EXTENDED WASHER

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