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137ST M3 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

137ST M3: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_diameter: 3.2 MILLIMETERS NOMINAL MM, outside_diameter: 8.0 MILLIMETERS NOMINAL MM, style_designator: SPRING TENSION, material_thickness: 0.5 MILLIMETERS NOMINAL MM, end_item_identification: MRAP RG-31. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-369-6907, 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
137ST M3
NSN: 5310-01-369-6907
FSC: 5310 — Nuts and Washers
CAGE: 15526 — METRIC AND MULTISTANDARD COMPONENTS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter3.2 MILLIMETERS NOMINAL MM
outside_diameter8.0 MILLIMETERS NOMINAL MM
style_designatorSPRING TENSION
material_thickness0.5 MILLIMETERS NOMINAL MM
end_item_identificationMRAP RG-31
NSN5310-01-369-6907
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 137ST M3 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 8.0 MILLIMETERS NOMINAL MM
•
MATERIAL THICKNESS: 0.5 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL COMP 304 OVERALL
•
HOLE DIAMETER: 3.2 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER8.0 MILLIMETERS NOMINAL MM
MATERIAL THICKNESS0.5 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONMRAP RG-31
MATERIALSTEEL COMP 304 OVERALL
HOLE DIAMETER3.2 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 2
M3 DIN 137 A2Reference document
Same NSN cross-reference
Reference document — Secondary reference
71455Reference document
Same NSN cross-reference
Reference document — Secondary 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 137ST M3?
137ST M3 is a WASHER,SPRING TENSION.
What parts can replace 137ST M3?
There are 2 known substitutes for 137ST M3: M3 DIN 137 A2, 71455. Substitute compatibility should be verified for your specific system.
What is the NSN for 137ST M3?
137ST M3 is cataloged in the U.S. Government catalog under NSN 5310-01-369-6907. This indicates validated use in U.S. government and defense supply chains.
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