MT139 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

MT139: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include depth: 1.000 INCHES NOMINAL IN, height: 2.250 INCHES NOMINAL IN, length: 5.500 INCHES NOMINAL IN, enclosure_feature: SINGLE ITEM W/HOUSING, test_type_for_which_designed: FREQUENCY. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0754, 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

MRO→ MRO_GENERAL→ MT139

NSN: 3110-00-100-0754
NIINs: 001000754, 011267738
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 26051 — GREAT AMERICAN INDUSTRIES INC (USA)

SPECIFICATIONS

depth	1.000 INCHES NOMINAL IN
height	2.250 INCHES NOMINAL IN
length	5.500 INCHES NOMINAL IN
enclosure_feature	SINGLE ITEM W/HOUSING
test_type_for_which_designed	FREQUENCY
NSN	3110-00-100-0754

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN

•

CONE WIDTH: 1.0082 INCHES NOMINAL IN

•

STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2

•

BORE DIAMETER: 1.8125 INCHES NOMINAL IN

•

MATERIAL: STEEL OVERALL

TYPICAL APPLICATIONS

Long-term data archival and compliance retention
Offsite backup and disaster recovery
Air-gapped ransomware protection
Cold storage tier for infrequently accessed data

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	NORMAL ANGLE
CONE CORNER RADIUS	0.1406 INCHES NOMINAL IN
CONE WIDTH	1.0082 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
BORE DIAMETER	1.8125 INCHES NOMINAL IN
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 7

2984Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

927018Reference document

Same NSN cross-reference

Reference document — Secondary reference

R6774Reference document

Same NSN cross-reference

Reference document — Secondary reference

K2984Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10570Reference document

Same NSN cross-reference

Reference document — Secondary reference

0BT2984Reference 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 MT139?

MT139 is a CONE AND ROLLERS,TAPERED ROLLER. It is classified as a MRO (MRO_GENERAL).

What parts can replace MT139?

There are 7 known substitutes for MT139: 2984, 927018, R6774 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MT139?

MT139 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0754. This indicates validated use in U.S. government and defense supply chains.

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