LH3858-4 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

LH3858-4: 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, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 2B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-337-7031, 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

LH3858-4

NSN: 5310-01-337-7031
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	HEXAGON
lubrication	DRY FILM LUBRICANT
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	2B
thread_series	UNF
overall_height	0.204 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.019 INCHES MINIMUM IN
surface_treatment	CADMIUM OVERALL
width_across_flats	0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
NSN	5310-01-337-7031

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.420 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNF

•

TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF

•

WASHER THICKNESS: 0.019 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.204 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.420 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
TEMP RATING	450.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS	0.019 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 6

BH00312-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

BRH30C-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

5310PL1991611Reference document

Same NSN cross-reference

Reference document — Informative reference only

BACN10YR4CDSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PLH54CDSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

T6113C-428Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is LH3858-4?

LH3858-4 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace LH3858-4?

There are 6 known substitutes for LH3858-4: BH00312-4, BRH30C-4, 5310PL1991611 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for LH3858-4?

LH3858-4 is cataloged in the U.S. Government catalog under NSN 5310-01-337-7031. This indicates validated use in U.S. government and defense supply chains.

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LH3858-4 — NUT,SELF-LOCKING,EXTENDED WASHER

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