LH6874B66 — NUT,SELF-LOCKING,ASSEMBLED WASHE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

LH6874B66: NUT,SELF-LOCKING,ASSEMBLED WASHE.

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: STEEL COMP 8740 NUT, nut_style: FLAT WITH TURNED UP EDGE, temp_rating: -65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.354 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-460-4956, 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

LH6874B66

NSN: 5310-00-460-4956
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	STEEL COMP 8740 NUT
nut_style	FLAT WITH TURNED UP EDGE
temp_rating	-65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.354 INCHES NOMINAL IN
hardness_rating	46.0 ROCKWELL C MINIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
countersink_angle	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
surface_treatment	CADMIUM OVERALL
width_across_flats	0.437 INCHES NOMINAL IN
NSN	5310-00-460-4956

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.617 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.437 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: -65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF

•

HARDNESS RATING: 46.0 ROCKWELL C MINIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE NUT

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.354 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER	0.617 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.437 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	-65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
HARDNESS RATING	46.0 ROCKWELL C MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES 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 3

TLN1000-12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL0842000Reference document

Same NSN cross-reference

Reference document — Informative reference only

STSCA003AAA12Same 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 LH6874B66?

LH6874B66 is a NUT,SELF-LOCKING,ASSEMBLED WASHE.

What parts can replace LH6874B66?

There are 3 known substitutes for LH6874B66: TLN1000-12, 5310PL0842000, STSCA003AAA12. Substitute compatibility should be verified for your specific system.

What is the NSN for LH6874B66?

LH6874B66 is cataloged in the U.S. Government catalog under NSN 5310-00-460-4956. This indicates validated use in U.S. government and defense supply chains.

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LH6874B66 — NUT,SELF-LOCKING,ASSEMBLED WASHE

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