C7530-12 — NUT,SELF-LOCKING,SPLINE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

C7530-12: NUT,SELF-LOCKING,SPLINE.

The NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, nut_height: 0.608 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, nut_diameter: 1.270 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-055-7766, 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

C7530-12

NSN: 5310-01-055-7766
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
nut_height	0.608 INCHES MAXIMUM IN
lubrication	DRY FILM LUBRICANT
temp_rating	450.0 FAHRENHEIT MAXIMUM DEGF
nut_diameter	1.270 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating	38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.750 INCHES IN
NSN	5310-01-055-7766

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

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

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.750 INCHES IN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT MAXIMUM DEGF
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.750 INCHES IN
NUT DIAMETER	1.270 INCHES MAXIMUM IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

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

77377-12Reference document

Same NSN cross-reference

Reference document — Secondary reference

LH11922-12Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 C7530-12?

C7530-12 is a NUT,SELF-LOCKING,SPLINE.

What parts can replace C7530-12?

There are 2 known substitutes for C7530-12: 77377-12, LH11922-12. Substitute compatibility should be verified for your specific system.

What is the NSN for C7530-12?

C7530-12 is cataloged in the U.S. Government catalog under NSN 5310-01-055-7766. This indicates validated use in U.S. government and defense supply chains.

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