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ST3M471C3M2 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST3M471C3M2: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: PLATE, nut_height: 0.290 INCHES MAXIMUM IN, nut_length: 0.785 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-256-8309, 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
ST3M471C3M2
NSN: 5310-00-256-8309
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_stylePLATE
nut_height0.290 INCHES MAXIMUM IN
nut_length0.785 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.190 INCHES IN
counterbore_diameter0.238 INCHES MINIMUM NUT IN
NSN5310-00-256-8309
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST3M471C3M2 · 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
•
NUT LENGTH: 0.785 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
NUT COUNTERBORE DEPTH: 0.125 INCHES MINIMUM NUT IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
NUT LENGTH0.785 INCHES MAXIMUM IN
THREAD SERIESUNF
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH0.125 INCHES MINIMUM NUT IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
COUNTERBORE DIAMETER0.238 INCHES MINIMUM NUT IN
SUBSTITUTES & CROSS-REFERENCES 1
10121217Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 ST3M471C3M2?
ST3M471C3M2 is a NUT,SELF-LOCKING,PLATE.
What parts can replace ST3M471C3M2?
There is 1 known substitute for ST3M471C3M2: 10121217. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M471C3M2?
ST3M471C3M2 is cataloged in the U.S. Government catalog under NSN 5310-00-256-8309. 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.