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SP126G — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SP126G: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1524 OVERALL, thickness: 0.0180 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM IN, hole_diameter: 0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN, hardness_rating: 21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM, overall_diameter: 0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-471-6451, 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
SP126G
NSN: 5310-00-471-6451
FSC: 5310 — Nuts and Washers
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
materialSTEEL COMP 1524 OVERALL
thickness0.0180 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM IN
hole_diameter0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN
hardness_rating21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM
overall_diameter0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A29, UNS G15260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-471-6451
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SP126G · 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
•
OVERALL DIAMETER: 0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM IN
•
HARDNESS RATING: 21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A29, UNS G15260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1524 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM IN
HARDNESS RATING21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A29, UNS G15260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1524 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN
THICKNESS0.0180 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
3903723Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
99-9459071Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SP126G?
SP126G is a WASHER,FLAT.
What parts can replace SP126G?
There are 2 known substitutes for SP126G: 3903723, 99-9459071. Substitute compatibility should be verified for your specific system.
What is the NSN for SP126G?
SP126G is cataloged in the U.S. Government catalog under NSN 5310-00-471-6451. This indicates validated use in U.S. government and defense supply chains.
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