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5300012-20A — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5300012-20A: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2219 OR ALUMINUM ALLOY 2014 SHELL, nut_style: PLATE, nut_length: 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN, plate_width: 1.570 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-241-2679, 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
5300012-20A
NSN: 5310-01-241-2679
FSC: 5310 — Nuts and Washers
CAGE: 60119 — MONADNOCK COMPANY, THE DBA LISI AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2219 OR ALUMINUM ALLOY 2014 SHELL
nut_stylePLATE
nut_length1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
plate_width1.570 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH METALLIC INSERT
plate_thickness0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCHROMATE SHELL
nominal_thread_size0.190 INCHES IN
mounting_hole_diameter0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
NSN5310-01-241-2679
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5300012-20A · 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: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
NUT LENGTH: 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE SHELL
•
DISTANCE FROM MOUNTING HOLE CENTER TO BASE: 0.250 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
PLATE WIDTH: 1.570 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 3 HOLES
•
DISTANCE FROM BASE TO CENTER OF APERTURE: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
NUT LENGTH1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE SHELL
DISTANCE FROM MOUNTING HOLE CENTER TO BASE0.250 INCHES NOMINAL IN
THREAD SERIESUNF
PLATE WIDTH1.570 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE3 HOLES
DISTANCE FROM BASE TO CENTER OF APERTURE0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-367,T6 FED SPEC ALL MATERIAL RESPONSES SHELL
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
WSI-333A-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST4M133-3-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
WSI333-20DReference document
Same NSN cross-reference
Reference document — Design control — primary 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 5300012-20A?
5300012-20A is a NUT,SELF-LOCKING,PLATE.
What parts can replace 5300012-20A?
There are 3 known substitutes for 5300012-20A: WSI-333A-20, ST4M133-3-20, WSI333-20D. Substitute compatibility should be verified for your specific system.
What is the NSN for 5300012-20A?
5300012-20A is cataloged in the U.S. Government catalog under NSN 5310-01-241-2679. This indicates validated use in U.S. government and defense supply chains.
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