MK4400-3K1 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

MK4400-3K1: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLATE, nut_height: 0.228 INCHES NOMINAL IN, nut_length: 0.521 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-968-3050, 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

MK4400-3K1

NSN: 5310-00-968-3050
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	PLATE
nut_height	0.228 INCHES NOMINAL IN
nut_length	0.521 INCHES MAXIMUM IN
lubrication	DRY FILM LUBRICANT
plate_width	0.437 INCHES MAXIMUM IN
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNF
overall_height	0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
NSN	5310-00-968-3050

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

PLATE THICKNESS: 0.031 INCHES NOMINAL IN

•

NUT LENGTH: 0.521 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNF

•

PLATE WIDTH: 0.437 INCHES MAXIMUM IN

•

TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
PLATE THICKNESS	0.031 INCHES NOMINAL IN
NUT LENGTH	0.521 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
PLATE WIDTH	0.437 INCHES MAXIMUM IN
TEMP RATING	450.0 FAHRENHEIT NOMINAL DEGF
MOUNTING HOLE ARRANGEMENT STYLE	2 HOLES
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM

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

MT13S1032K1Reference document

Same NSN cross-reference

Reference document — Secondary reference

RMLHA6969K1-02Reference document

Same NSN cross-reference

Reference document — Secondary reference

C057A3Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 MK4400-3K1?

MK4400-3K1 is a NUT,SELF-LOCKING,PLATE.

What parts can replace MK4400-3K1?

There are 3 known substitutes for MK4400-3K1: MT13S1032K1, RMLHA6969K1-02, C057A3. Substitute compatibility should be verified for your specific system.

What is the NSN for MK4400-3K1?

MK4400-3K1 is cataloged in the U.S. Government catalog under NSN 5310-00-968-3050. This indicates validated use in U.S. government and defense supply chains.

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