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WSI312-3 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

WSI312-3: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING LOCKING INSERT, nut_style: PLATE, nut_height: 0.740 INCHES NOMINAL IN, nut_length: 0.800 INCHES NOMINAL IN, plate_width: 1.500 INCHES NOMINAL IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-770-3902, 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
WSI312-3
NSN: 5310-00-770-3902
FSC: 5310 — Nuts and Washers
CAGE: 04169 — ATLAS CORP WESTERN SKY INDUSTRIES DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING LOCKING INSERT
nut_stylePLATE
nut_height0.740 INCHES NOMINAL IN
nut_length0.800 INCHES NOMINAL IN
plate_width1.500 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH METALLIC INSERT
plate_thickness0.050 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE FILM SHELL
nominal_thread_size0.138 INCHES IN
NSN5310-00-770-3902
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WSI312-3 · 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 NOMINAL IN
•
NUT LENGTH: 0.800 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE SHELL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
PLATE WIDTH: 1.500 INCHES NOMINAL IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
DISTANCE FROM BASE TO CENTER OF APERTURE: 0.310 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.050 INCHES NOMINAL IN
NUT LENGTH0.800 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE SHELL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
PLATE WIDTH1.500 INCHES NOMINAL IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
DISTANCE FROM BASE TO CENTER OF APERTURE0.310 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-367 T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
MOUNTING HOLE DIAMETER0.098 INCHES NOMINAL 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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WSI312-3?
WSI312-3 is a NUT,SELF-LOCKING,PLATE.
What is the NSN for WSI312-3?
WSI312-3 is cataloged in the U.S. Government catalog under NSN 5310-00-770-3902. This indicates validated use in U.S. government and defense supply chains.
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