RR387 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

RR387: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090, ring_style: SPIRAL, usage_design: INTERNAL, inside_diameter: 3.609 INCHES NOMINAL IN, major_thickness: 0.059 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-291-3501, 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

RR387

NSN: 5325-00-291-3501
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)

SPECIFICATIONS

material	STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090
ring_style	SPIRAL
usage_design	INTERNAL
inside_diameter	3.609 INCHES NOMINAL IN
major_thickness	0.059 INCHES NOMINAL IN
strength_rating	ERR-060
outside_diameter	4.025 INCHES NOMINAL IN
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_style	DOUBLE OVAL
material_document_and_classification	QQ-S633, COMP 1070, 1074, 1080, 1085 OR 1090 FED SPEC SINGLE MATERIAL RESPONSE
NSN	5325-00-291-3501

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM

•

USAGE DESIGN: INTERNAL

•

STRENGTH RATING: ERR-060

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S633, COMP 1070, 1074, 1080, 1085 OR 1090 FED SPEC SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL

•

OUTSIDE DIAMETER: 4.025 INCHES NOMINAL IN

•

MAJOR THICKNESS: 0.059 INCHES NOMINAL IN

•

INSIDE DIAMETER: 3.609 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGN	INTERNAL
STRENGTH RATING	ERR-060
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S633, COMP 1070, 1074, 1080, 1085 OR 1090 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	DOUBLE OVAL
OUTSIDE DIAMETER	4.025 INCHES NOMINAL IN
MAJOR THICKNESS	0.059 INCHES NOMINAL IN
INSIDE DIAMETER	3.609 INCHES NOMINAL IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	SPIRAL

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 2

WH-387Reference document

Same NSN cross-reference

Reference document — Secondary reference

626-001-9273Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is RR387?

RR387 is a RING,RETAINING.

What parts can replace RR387?

There are 2 known substitutes for RR387: WH-387, 626-001-9273. Substitute compatibility should be verified for your specific system.

What is the NSN for RR387?

RR387 is cataloged in the U.S. Government catalog under NSN 5325-00-291-3501. This indicates validated use in U.S. government and defense supply chains.

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