PartsTable
Technical Data Sheet
M137R40 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: PLATE, nut_height: 0.150 INCHES NOMINAL IN, nut_length: 0.475 INCHES NOMINAL IN, plate_width: 0.290 INCHES NOMINAL IN, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-894-0227, 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
M137R40
NSN: 5310-00-894-0227
FSC: 5310
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_stylePLATE
nut_height0.150 INCHES NOMINAL IN
nut_length0.475 INCHES NOMINAL IN
plate_width0.290 INCHES NOMINAL IN
temp_rating800.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.020 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN5310-00-894-0227
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M137R40 · 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
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
PLATE THICKNESS: 0.010 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
MOUNTING PROVISION LOCATION: OPPOSITE NUT PROJECTION SIDE
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
WELDING PROJECTION QUANTITY: 2
NUT LENGTH: 0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
PLATE THICKNESS0.010 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
MOUNTING PROVISION LOCATIONOPPOSITE NUT PROJECTION SIDE
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
WELDING PROJECTION QUANTITY2
NUT LENGTH0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
PRECIOUS MATERIALSILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
10664352Interchangeable
interchangeable cross-reference
interchangeable
101833Interchangeable
interchangeable cross-reference
interchangeable
C060C40Interchangeable
interchangeable cross-reference
interchangeable
M137R40Interchangeable
interchangeable cross-reference
interchangeable
19534Interchangeable
interchangeable cross-reference
interchangeable
989114-26CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M137R40?
M137R40 is a NUT,SELF-LOCKING,PLATE.
What parts can replace M137R40?
There are 17 known substitutes for M137R40: 10664352, 101833, C060C40 and 14 more. Substitute compatibility should be verified for your specific system.
Is M137R40 still available?
M137R40 is currently cancelled.
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