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579370 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

579370: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1074, end_style: 90 DEGREE PARALLEL, ring_style: INTERNAL, usage_design: EXTERNAL OR INTERNAL, inside_diameter: 3.640 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN, major_thickness: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-018-7182, 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
579370
NSN: 5325-00-018-7182
FSC: 5325 — Fastening Devices
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 1074
end_style90 DEGREE PARALLEL
ring_styleINTERNAL
usage_designEXTERNAL OR INTERNAL
inside_diameter3.640 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN
major_thickness0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
outside_diameter3.900 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5120, COMPOSITION 1074 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-018-7182
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 579370 · 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: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL OR INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5120, COMPOSITION 1074 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.900 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.640 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL OR INTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5120, COMPOSITION 1074 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.900 INCHES MINIMUM AND 3.990 INCHES MAXIMUM IN
MAJOR THICKNESS0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
INSIDE DIAMETER3.640 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 579370?
579370 is a RING,RETAINING.
What is the NSN for 579370?
579370 is cataloged in the U.S. Government catalog under NSN 5325-00-018-7182. This indicates validated use in U.S. government and defense supply chains.
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