LB50-7C — NUT,PLAIN,ASSEMBLED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

LB50-7C: NUT,PLAIN,ASSEMBLED WASHER.

The NUT,PLAIN,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 NUT, nut_style: FLAT WITH TURNED BACK EDGE, nut_height: 0.281 INCHES NOMINAL IN, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-352-8692, 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

LB50-7C

NSN: 5310-01-352-8692
FSC: 5310 — Nuts and Washers
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)

SPECIFICATIONS

material	IRON ALLOY 660 NUT
nut_style	FLAT WITH TURNED BACK EDGE
nut_height	0.281 INCHES NOMINAL IN
temp_rating	450.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
nominal_thread_size	0.438 INCHES IN
counterbore_diameter	0.519 INCHES MINIMUM AND 0.529 INCHES MAXIMUM FIRST END IN
NSN	5310-01-352-8692

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.785 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.785 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT MAXIMUM DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE WASHER
NUT COUNTERBORE DEPTH	0.249 INCHES MINIMUM AND 0.269 INCHES MAXIMUM FIRST END IN
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 3

84055-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AS381-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

03A115-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is LB50-7C?

LB50-7C is a NUT,PLAIN,ASSEMBLED WASHER.

What parts can replace LB50-7C?

There are 3 known substitutes for LB50-7C: 84055-7, AS381-7, 03A115-7. Substitute compatibility should be verified for your specific system.

What is the NSN for LB50-7C?

LB50-7C is cataloged in the U.S. Government catalog under NSN 5310-01-352-8692. This indicates validated use in U.S. government and defense supply chains.

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LB50-7C — NUT,PLAIN,ASSEMBLED WASHER

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