6121D2 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6121D2: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include nut_height: 0.323 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, nut_length: 1.281 INCHES NOMINAL IN, plate_width: 0.500 INCHES NOMINAL IN, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-559-8191, 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

6121D2

NSN: 5310-00-559-8191
FSC: 5310 — Nuts and Washers
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)

SPECIFICATIONS

nut_height	0.323 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
nut_length	1.281 INCHES NOMINAL IN
plate_width	0.500 INCHES NOMINAL IN
temp_rating	550.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNF
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.250 INCHES IN
nut_mounting_provision	WELDING PROJECTIONS
NSN	5310-00-559-8191

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE THICKNESS: 0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN

•

NUT LENGTH: 1.281 INCHES NOMINAL IN

•

THREAD SERIES: UNF

•

PLATE WIDTH: 0.500 INCHES NOMINAL IN

•

TEMP RATING: 550.0 FAHRENHEIT NOMINAL DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-866 MIL SPEC 1ST MATERIAL RESPONSE OR AMS5024 MIL SPEC 2ND MATERIAL RESPONSE OVERALL

•

MOUNTING PROVISION LOCATION: OPPOSITE NUT PROJECTION SIDE

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

PLATE THICKNESS	0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
NUT LENGTH	1.281 INCHES NOMINAL IN
THREAD SERIES	UNF
PLATE WIDTH	0.500 INCHES NOMINAL IN
TEMP RATING	550.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-866 MIL SPEC 1ST MATERIAL RESPONSE OR AMS5024 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MOUNTING PROVISION LOCATION	OPPOSITE NUT PROJECTION SIDE
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES 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 1

52ZA1P048Same 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 6121D2?

6121D2 is a NUT,SELF-LOCKING,PLATE.

What parts can replace 6121D2?

There is 1 known substitute for 6121D2: 52ZA1P048. Substitute compatibility should be verified for your specific system.

What is the NSN for 6121D2?

6121D2 is cataloged in the U.S. Government catalog under NSN 5310-00-559-8191. This indicates validated use in U.S. government and defense supply chains.

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6121D2 — NUT,SELF-LOCKING,PLATE

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