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5310PL0782273 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5310PL0782273: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 BASE, nut_style: PLATE (FLOATING), nut_height: 0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN, nut_length: 1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN, plate_width: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-485-7518, 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
5310PL0782273
NSN: 5310-01-485-7518
FSC: 5310 — Nuts and Washers
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialIRON ALLOY 660 BASE
nut_stylePLATE (FLOATING)
nut_height0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
nut_length1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
plate_width0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
special_featuresBASEPLATE FINNISH CODE P AT THE END OF PART NUMBER = PRIMER ON BOTTOM SURFACE OF BASEPLATE, EPOXY PRIMER PER MIL-P-85582
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE BASE
NSN5310-01-485-7518
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310PL0782273 · 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
•
PLATE THICKNESS: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
NUT LENGTH: 1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
PLATE WIDTH: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-5525 ASSN STD SINGLE MATERIAL RESPONSE BASE
•
NUT COUNTERBORE DEPTH: 0.117 INCHES MINIMUM AND 0.137 INCHES MAXIMUM NUT IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
NUT LENGTH1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-5525 ASSN STD SINGLE MATERIAL RESPONSE BASE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-5596 ASSN STD 1ST MATERIAL RESPONSE OR AMS-5597 ASSN STD 2ND MATERIAL RESPONSE OR AMS-5662 ASSN STD 3RD MATERIAL RESPONSE OR AMS-5663 ASSN STD 4TH MATERIAL RESPONSE OR AMS-5664 ASSN STD 5TH MATERIAL RESPONSE NUT
NUT COUNTERBORE DEPTH0.117 INCHES MINIMUM AND 0.137 INCHES MAXIMUM NUT IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
COUNTERBORE DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM BASE 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 1
C20812-4-3PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5310PL0782273?
5310PL0782273 is a NUT,SELF-LOCKING,PLATE.
What parts can replace 5310PL0782273?
There is 1 known substitute for 5310PL0782273: C20812-4-3P. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310PL0782273?
5310PL0782273 is cataloged in the U.S. Government catalog under NSN 5310-01-485-7518. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.