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MK1400-4B — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MK1400-4B: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include nut_height: 0.281 INCHES MAXIMUM IN, nut_length: 0.786 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.414 INCHES MAXIMUM IN, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-047-9461, 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
MK1400-4B
NSN: 5310-01-047-9461
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
nut_height0.281 INCHES MAXIMUM IN
nut_length0.786 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.414 INCHES MAXIMUM IN
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.040 INCHES NOMINAL IN
special_featuresCOLOR PINK
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
counterbore_diameter0.254 INCHES MINIMUM NUT IN
NSN5310-01-047-9461
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MK1400-4B · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LUBRICATION: DRY FILM LUBRICANT
•
PLATE THICKNESS: 0.040 INCHES NOMINAL IN
•
NUT LENGTH: 0.786 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PLATE WIDTH: 0.414 INCHES MAXIMUM IN
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
MOUNTING HOLE DIAMETER: 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
NUT COUNTERBORE DEPTH: 0.062 INCHES MINIMUM NUT IN
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.040 INCHES NOMINAL IN
NUT LENGTH0.786 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PLATE WIDTH0.414 INCHES MAXIMUM IN
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH0.062 INCHES MINIMUM NUT IN
THREAD DIRECTIONRIGHT-HAND
COUNTERBORE DIAMETER0.254 INCHES MINIMUM NUT IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MK1400-4B?
MK1400-4B is a NUT,SELF-LOCKING,PLATE.
What is the NSN for MK1400-4B?
MK1400-4B is cataloged in the U.S. Government catalog under NSN 5310-01-047-9461. This indicates validated use in U.S. government and defense supply chains.
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