12NC4284-1-40 — NUT,SELF-LOCKING,SPLINE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12NC4284-1-40: NUT,SELF-LOCKING,SPLINE.

The NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: PLASTIC LOCKING INSERT, nut_style: SPLINE, nut_height: 0.169 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, temp_rating: 350.0 FAHRENHEIT NOMINAL DEGF, nut_diameter: 0.300 INCHES NOMINAL IN, pilot_length: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-522-9665, 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

12NC4284-1-40

NSN: 5310-00-522-9665
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)

SPECIFICATIONS

material	PLASTIC LOCKING INSERT
nut_style	SPLINE
nut_height	0.169 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
temp_rating	350.0 FAHRENHEIT NOMINAL DEGF
nut_diameter	0.300 INCHES NOMINAL IN
pilot_length	0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNJC
pilot_diameter	0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
features_provided	FLOATING NUT
NSN	5310-00-522-9665

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT

•

THREAD SERIES: UNJC

•

TEMP RATING: 350.0 FAHRENHEIT NOMINAL DEGF

•

FEATURES PROVIDED: FLOATING NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.112 INCHES IN

•

NUT DIAMETER: 0.300 INCHES NOMINAL IN

•

PILOT DIAMETER: 0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD SERIES	UNJC
TEMP RATING	350.0 FAHRENHEIT NOMINAL DEGF
FEATURES PROVIDED	FLOATING NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.112 INCHES IN
NUT DIAMETER	0.300 INCHES NOMINAL IN
PILOT DIAMETER	0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
PILOT LENGTH	0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT

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 1

1563503Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12NC4284-1-40?

12NC4284-1-40 is a NUT,SELF-LOCKING,SPLINE.

What parts can replace 12NC4284-1-40?

There is 1 known substitute for 12NC4284-1-40: 1563503. Substitute compatibility should be verified for your specific system.

What is the NSN for 12NC4284-1-40?

12NC4284-1-40 is cataloged in the U.S. Government catalog under NSN 5310-00-522-9665. This indicates validated use in U.S. government and defense supply chains.

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