PartsTable
Technical Data Sheet
7F42NA1-624 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: PLATE, nut_height: 0.318 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, nut_length: 1.296 INCHES MAXIMUM IN, plate_width: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-728-5521, 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
7F42NA1-624
NSN: 5310-00-728-5521
FSC: 5310
CAGE: 27698 — SHEAR PRINZ ASSOCIATES INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_stylePLATE
nut_height0.318 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
nut_length1.296 INCHES MAXIMUM IN
plate_width0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating32.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
plate_thickness0.115 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5310-00-728-5521
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7F42NA1-624 · 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
THREAD QUANTITY PER INCH: 24
NUT HEIGHT: 0.318 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
NUT LENGTH: 1.296 INCHES MAXIMUM IN
PLATE WIDTH: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
MOUNTING HOLE DIAMETER: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
NUT HEIGHT0.318 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NUT LENGTH1.296 INCHES MAXIMUM IN
PLATE WIDTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
12508Interchangeable
interchangeable cross-reference
interchangeable
636139Interchangeable
interchangeable cross-reference
interchangeable
803900Interchangeable
interchangeable cross-reference
interchangeable
MS21078-6Interchangeable
Same NIIN cross-reference
interchangeable
F42NA1-064Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7F42NA1-624?
7F42NA1-624 is a NUT,SELF-LOCKING,PLATE.
What parts can replace 7F42NA1-624?
There are 5 known substitutes for 7F42NA1-624: 12508, 636139, 803900 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7F42NA1-624?
7F42NA1-624 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-728-5521. This indicates validated use in U.S. government and defense supply chains.
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