VN2821DH02-1 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

VN2821DH02-1: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-385-1541, 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

VN2821DH02-1

NSN: 5310-01-385-1541
FSC: 5310 — Nuts and Washers
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	HEXAGON
lubrication	DRY FILM LUBRICANT
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.023 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
nominal_thread_size	0.190 INCHES IN
NSN	5310-01-385-1541

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.243 INCHES MINIMUM AND 0.252 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: 0.023 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.243 INCHES MINIMUM AND 0.252 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	0.023 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM FIRST END IN
THREAD DIRECTION	RIGHT-HAND

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

83958-1032Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

03A267-3LSame 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 VN2821DH02-1?

VN2821DH02-1 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace VN2821DH02-1?

There are 2 known substitutes for VN2821DH02-1: 83958-1032, 03A267-3L. Substitute compatibility should be verified for your specific system.

What is the NSN for VN2821DH02-1?

VN2821DH02-1 is cataloged in the U.S. Government catalog under NSN 5310-01-385-1541. This indicates validated use in U.S. government and defense supply chains.

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