MS21243-4 — BEARING,PLAIN,ROD END

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

MS21243-4: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER MEMBER, shank_style: INTERNALLY THREADED W/ HEXAGON END, thread_class: 3B, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, overall_length: 1.8570 INCHES MINIMUM AND 1.8870 INCHES MAXIMUM IN, thread_diameter: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-055-3958, 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

MS21243-4

NSN: 3120-01-055-3958
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL COMP 440C INNER MEMBER
shank_style	INTERNALLY THREADED W/ HEXAGON END
thread_class	3B
bore_diameter	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
overall_length	1.8570 INCHES MINIMUM AND 1.8870 INCHES MAXIMUM IN
thread_diameter	0.312 INCHES NOMINAL IN
special_features	KEYSLOT FOR NAS559 LOCK IN SHANK
style_designator	BALL TYPE
thread_direction	RIGHT-HAND
inner_member_width	0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_member_width	0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
shank_thread_length	0.7500 INCHES MINIMUM IN
NSN	3120-01-055-3958

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK THREAD LENGTH: 0.7500 INCHES MINIMUM IN

•

BORE CENTER TO SHANK END DISTANCE: 1.4590 INCHES MINIMUM AND 1.4790 INCHES MAXIMUM IN

•

INNER MEMBER WIDTH: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN

•

OUTER MEMBER WIDTH: 0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: BALL TYPE

•

THREAD DIAMETER: 0.312 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER

TECHNICAL CHARACTERISTICS

SHANK THREAD LENGTH	0.7500 INCHES MINIMUM IN
BORE CENTER TO SHANK END DISTANCE	1.4590 INCHES MINIMUM AND 1.4790 INCHES MAXIMUM IN
INNER MEMBER WIDTH	0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
OUTER MEMBER WIDTH	0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
STYLE DESIGNATOR	BALL TYPE
THREAD DIAMETER	0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
OVERALL LENGTH	1.8570 INCHES MINIMUM AND 1.8870 INCHES MAXIMUM IN
SHANK WIDTH ACROSS WRENCH FLATS	0.4270 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 7

M81935/2-04Reference document

Same NSN cross-reference

Reference document — Secondary reference

9446112413Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

60-7794-413Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SAE-AS81935/2Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS21243S04Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS81935Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is MS21243-4?

MS21243-4 is a BEARING,PLAIN,ROD END.

What parts can replace MS21243-4?

There are 7 known substitutes for MS21243-4: M81935/2-04, 9446112413, 60-7794-413 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21243-4?

MS21243-4 is cataloged in the U.S. Government catalog under NSN 3120-01-055-3958. This indicates validated use in U.S. government and defense supply chains.

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