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03A243-3-23 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

03A243-3-23: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 SPRING, nut_style: PLATE, nut_height: 0.730 INCHES NOMINAL IN, nut_length: 1.375 INCHES NOMINAL IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.865 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-330-3398, 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
03A243-3-23
NSN: 5310-01-330-3398
FSC: 5310 — Nuts and Washers
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 631 SPRING
nut_stylePLATE
nut_height0.730 INCHES NOMINAL IN
nut_length1.375 INCHES NOMINAL IN
lubricationDRY FILM LUBRICANT
plate_width0.865 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
special_featuresTHREE SHIMS,CRES,0.010 IN. THK,W/PEEL TABS,BONDED TO BASE; NUT SHANK PROTRUDES 0.260 IN. MIN,0.280 IN. MAX FM BASE IN
thread_directionRIGHT-HAND
NSN5310-01-330-3398
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03A243-3-23 · 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: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
NUT LENGTH: 1.375 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
PLATE WIDTH: 0.865 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
NUT LENGTH1.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH0.865 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT
MOUNTING HOLE DIAMETER0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH0.843 INCHES MINIMUM AND 0.853 INCHES MAXIMUM BASE IN
SUBSTITUTES & CROSS-REFERENCES 2
F52866-3-23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
F52866-3-23BSame 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 03A243-3-23?
03A243-3-23 is a NUT,SELF-LOCKING,PLATE.
What parts can replace 03A243-3-23?
There are 2 known substitutes for 03A243-3-23: F52866-3-23, F52866-3-23B. Substitute compatibility should be verified for your specific system.
What is the NSN for 03A243-3-23?
03A243-3-23 is cataloged in the U.S. Government catalog under NSN 5310-01-330-3398. This indicates validated use in U.S. government and defense supply chains.
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