8518253 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

8518253: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.741 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN, major_thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, surface_treatment: DICHROMATE ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-561-7789, 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

8518253

NSN: 5325-00-561-7789
FSC: 5325 — Fastening Devices
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)

SPECIFICATIONS

material	STEEL
ring_style	EXTERNAL
usage_design	EXTERNAL
inside_diameter	0.741 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
major_thickness	0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
surface_treatment	DICHROMATE ZINC
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	48.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
cross-sectional_shape_style	RECTANGULAR
NSN	5325-00-561-7789

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM

•

USAGE DESIGN: EXTERNAL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

MAJOR THICKNESS: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 0.741 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

•

RING STYLE: EXTERNAL

•

SURFACE TREATMENT: DICHROMATE ZINC

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	48.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
USAGE DESIGN	EXTERNAL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
MAJOR THICKNESS	0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
INSIDE DIAMETER	0.741 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	EXTERNAL
SURFACE TREATMENT	DICHROMATE ZINC
MATERIAL	STEEL

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

G650112-65Reference document

Same NSN cross-reference

Reference document — Secondary reference

5100-81ZDReference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 8518253?

8518253 is a RING,RETAINING.

What parts can replace 8518253?

There are 2 known substitutes for 8518253: G650112-65, 5100-81ZD. Substitute compatibility should be verified for your specific system.

What is the NSN for 8518253?

8518253 is cataloged in the U.S. Government catalog under NSN 5325-00-561-7789. This indicates validated use in U.S. government and defense supply chains.

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8518253 — RING,RETAINING

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