378391 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

378391: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1065, end_style: VERTEX BELOW CENTER, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 1.085 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN, major_thickness: 0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-477-0304, 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

378391

NSN: 5325-00-477-0304
FSC: 5325 — Fastening Devices
CAGE: 11757 — PARKER HANNIFIN CORPORATION DIV CHELSEA PRODUCTS DIVISION (USA)

SPECIFICATIONS

material	STEEL COMP 1060 OR STEEL COMP 1065
end_style	VERTEX BELOW CENTER
ring_style	STRAIGHT GAP
usage_design	EXTERNAL
inside_diameter	1.085 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
major_thickness	0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
outside_diameter	1.238 INCHES MINIMUM IN
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	53.0 ROCKWELL C MAXIMUM
cross-sectional_shape_style	RECTANGULAR
NSN	5325-00-477-0304

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 53.0 ROCKWELL C MAXIMUM

•

USAGE DESIGN: EXTERNAL

•

END STYLE: VERTEX BELOW CENTER

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

OUTSIDE DIAMETER: 1.238 INCHES MINIMUM IN

•

MAJOR THICKNESS: 0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 1.085 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	53.0 ROCKWELL C MAXIMUM
USAGE DESIGN	EXTERNAL
END STYLE	VERTEX BELOW CENTER
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
OUTSIDE DIAMETER	1.238 INCHES MINIMUM IN
MAJOR THICKNESS	0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
INSIDE DIAMETER	1.085 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	STRAIGHT GAP
MATERIAL	STEEL COMP 1060 OR STEEL COMP 1065

SUBSTITUTES & CROSS-REFERENCES 4

10560465Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10162185Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

802CX277Reference document

Same NSN cross-reference

Reference document — Secondary reference

945052Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 378391?

378391 is a RING,RETAINING.

What parts can replace 378391?

There are 4 known substitutes for 378391: 10560465, 10162185, 802CX277 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 378391?

378391 is cataloged in the U.S. Government catalog under NSN 5325-00-477-0304. This indicates validated use in U.S. government and defense supply chains.

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378391 — RING,RETAINING

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