187956 — ROLLER,LINEAR-ROTARY MOTION

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

187956: ROLLER,LINEAR-ROTARY MOTION.

The ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172, face_width: 0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN, outside_diameter: 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN, special_features: BORE SURFACE TO BE 63 MICROINCH FINISH, style_designator: PLAIN, surface_treatment: OXIDE. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-162-2860, 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

187956

NSN: 3120-01-162-2860
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)

SPECIFICATIONS

material	COPPER ALLOY 172
face_width	0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
outside_diameter	0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
special_features	BORE SURFACE TO BE 63 MICROINCH FINISH
style_designator	PLAIN
surface_treatment	OXIDE
bore_inside_diameter	0.439 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
casehardening_indicator	NOT CASEHARDENED
metallic_hardness_rating	38.0 MINIMUM ROCKWELL C AND 42.0 MAXIMUM ROCKWELL C
chamfer/radius_of_outside_corner	0.025 IN. MIN AND 0.040 IN. MAX RADIUS IN
material_document_and_classification	QQ-C-530,ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classification	MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
NSN	3120-01-162-2860

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE

•

STYLE DESIGNATOR: PLAIN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-530,ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE

•

OUTSIDE DIAMETER: 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN

•

CHAMFER/RADIUS OF OUTSIDE CORNER: 0.025 IN. MIN AND 0.040 IN. MAX RADIUS IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

•

SURFACE TREATMENT: OXIDE

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR	PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-530,ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER	0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
CHAMFER/RADIUS OF OUTSIDE CORNER	0.025 IN. MIN AND 0.040 IN. MAX RADIUS IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
SPECIAL FEATURES	BORE SURFACE TO BE 63 MICROINCH FINISH
SURFACE TREATMENT	OXIDE
TEST DATA DOCUMENT	81349-MIL-I-6866 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MATERIAL	COPPER ALLOY 172

SUBSTITUTES & CROSS-REFERENCES 1

187933Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 187956?

187956 is a ROLLER,LINEAR-ROTARY MOTION.

What parts can replace 187956?

There is 1 known substitute for 187956: 187933. Substitute compatibility should be verified for your specific system.

What is the NSN for 187956?

187956 is cataloged in the U.S. Government catalog under NSN 3120-01-162-2860. This indicates validated use in U.S. government and defense supply chains.

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187956 — ROLLER,LINEAR-ROTARY MOTION

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