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Technical Data Sheet
PartsTable / COMPONENT / 5806-74-1
5806-74-1 ✓ 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 WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OVERALL, hole_diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, overall_height: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, outside_diameter: 0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, material_thickness: 0.006 INCHES NOMINAL IN, material_document_and_classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-203-6404, 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
5806-74-1
NSN: 5310-01-203-6404
FSC: 5310
CAGE: 86929 — SEATTLE BOILER WORKS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OVERALL
hole_diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
overall_height0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
outside_diameter0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
material_thickness0.006 INCHES NOMINAL IN
material_document_and_classificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-203-6404
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5806-74-1 · 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
•
OUTSIDE DIAMETER: 0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 172 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.006 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 172 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
MATERIAL THICKNESS0.006 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
K129136Interchangeable
interchangeable cross-reference
interchangeable
8783233Interchangeable
interchangeable cross-reference
interchangeable
N010Interchangeable
interchangeable cross-reference
interchangeable
25580Interchangeable
interchangeable cross-reference
interchangeable
210008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5806-74-1?
5806-74-1 is a WASHER,SPRING TENSION.
What parts can replace 5806-74-1?
There are 5 known substitutes for 5806-74-1: K129136, 8783233, N010 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5806-74-1?
5806-74-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-203-6404. 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