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Technical Data Sheet
PartsTable / COMPONENT / 01-0900
01-0900 ✓ Verified by PartsTable
Legrand · 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 WASHER,SPRING TENSION is a Legrand industrial component. Key specifications include special_features: 90 DEG ROTARY BASKET PUNCH; 3.4MM LEFT MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-119-8932, 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
01-0900
NSN: 5310-01-119-8932
FSC: 5310
CAGE: 9M527 — SCHNORR CORP (USA)
SPECIFICATIONS
special_features90 DEG ROTARY BASKET PUNCH; 3.4MM LEFT MM
NSN5310-01-119-8932
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 01-0900 · Legrand ⚠ 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
OUTSIDE DIAMETER: 1.232 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
•
HARDNESS RATING: 49.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: TYPE 50 CRV4,FSCM 05341 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL THICKNESS: 0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.642 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
OUTSIDE DIAMETER1.232 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
HARDNESS RATING49.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONTYPE 50 CRV4,FSCM 05341 MFR REF SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSPRING TENSION
OVERALL HEIGHT0.090 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
MATERIAL THICKNESS0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
HOLE DIAMETER0.642 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10-1800Interchangeable
interchangeable cross-reference
interchangeable
01-0900Interchangeable
interchangeable cross-reference
interchangeable
409SB122-1Interchangeable
Same NIIN cross-reference
interchangeable
BS-31.5-16.3-1.75Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 01-0900?
01-0900 is a WASHER,SPRING TENSION manufactured by Legrand.
What parts can replace 01-0900?
There are 4 known substitutes for 01-0900: 10-1800, 01-0900, 409SB122-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 01-0900?
01-0900 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-119-8932. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026