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204A40 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

204A40: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060, end_style: 90 DEGREE PARALLEL, ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 3.637 INCHES NOMINAL IN, major_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-949-6202, 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
204A40
NSN: 5325-00-949-6202
NIINs: 009496202, 010598634
FSC: 5325 — Fastening Devices
CAGE: 73808 — CONTINENTAL TIRE THE AMERICAS, LLC DBA CONTINENTAL TIRES (USA)
SPECIFICATIONS
materialSTEEL COMP 1060
end_style90 DEGREE PARALLEL
ring_styleSPECIAL
usage_designEXTERNAL
inside_diameter3.637 INCHES NOMINAL IN
major_thickness0.062 INCHES NOMINAL IN
outside_diameter3.887 INCHES NOMINAL IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD NO. 66,AISI C1060 FED STD SINGLE MATERIAL RESPONSE OR SAE1060 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-949-6202
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 204A40 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD NO. 66,AISI C1060 FED STD SINGLE MATERIAL RESPONSE OR SAE1060 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.887 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.062 INCHES NOMINAL IN
•
INSIDE DIAMETER: 3.637 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD NO. 66,AISI C1060 FED STD SINGLE MATERIAL RESPONSE OR SAE1060 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.887 INCHES NOMINAL IN
MAJOR THICKNESS0.062 INCHES NOMINAL IN
INSIDE DIAMETER3.637 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 204A40?
204A40 is a RING,RETAINING.
What is the NSN for 204A40?
204A40 is cataloged in the U.S. Government catalog under NSN 5325-00-949-6202. This indicates validated use in U.S. government and defense supply chains.
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