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571663-1 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

571663-1: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631, end_style: DIAGONAL PARALLEL, ring_style: ANGULAR CAP, usage_design: EXTERNAL OR INTERNAL, inside_diameter: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN, major_thickness: 0.040 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-086-4206, 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
571663-1
NSN: 5325-01-086-4206
FSC: 5325 — Fastening Devices
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL COMP 631
end_styleDIAGONAL PARALLEL
ring_styleANGULAR CAP
usage_designEXTERNAL OR INTERNAL
inside_diameter1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
major_thickness0.040 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
outside_diameter1.680 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-01-086-4206
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 571663-1 · 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: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL OR INTERNAL
•
END STYLE: DIAGONAL PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.680 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.040 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL OR INTERNAL
END STYLEDIAGONAL PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.680 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
MAJOR THICKNESS0.040 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
INSIDE DIAMETER1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEANGULAR CAP
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 571663-1?
571663-1 is a RING,RETAINING.
What is the NSN for 571663-1?
571663-1 is cataloged in the U.S. Government catalog under NSN 5325-01-086-4206. This indicates validated use in U.S. government and defense supply chains.
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