PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1521-14Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-01-113-9116 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-113-9116 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-113-9116. Primary manufacturer part number: M1521-14.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY 932 OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Body Outside Diameter: 1.3145 INCHES MINIMUM AND 1.3155 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.9365 INCHES MINIMUM AND 0.9385 INCHES MAXIMUM IN
  • 10 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-113-9116, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-113-9116
Primary Part NumberM1521-14
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY 932 OVERALL
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter1.3145 INCHES MINIMUM AND 1.3155 INCHES MAXIMUM IN
Body Inside Diameter0.9365 INCHES MINIMUM AND 0.9385 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5975-01-052-2428 INTERCHANGEABLE
Entrance Cap,electrical
Cross-Reference Index
Part NumberManufacturer
CB1521-14 Bunting Bearings Corp (USA)
SH301 Randall Bearing Inc (USA)
517GP Johnson Bronze Co (USA)
60-670-0018-1 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
01-435-0029-5 PIECE 47 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0029-5 PIECE 47 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
60-670-0018-1 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
M1521-14 PRIMARY Altra Industrial Motion Corp. (USA)
K1521-14 Eagle-Picher Industries Inc Kingwell Div (USA)
E520 Bunting Bearings Corp (USA)
Related Parts
5975-01-052-2428INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL

Frequently Asked Questions

What is NSN 3120-01-113-9116?

NSN 3120-01-113-9116 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-113-9116?

NSN 3120-01-113-9116 has 10 cross-referenced part numbers: CB1521-14 (Bunting Bearings Corp), SH301 (Randall Bearing Inc), 517GP (Johnson Bronze Co), 60-670-0018-1 (Timken Gears & Services Inc. Div Philadelphia Gear), 01-435-0029-5 PIECE 47 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company) and 5 more.

What NSN replaces 3120-01-113-9116?

There is 1 known substitute for 3120-01-113-9116: 5975-01-052-2428. Verify interchangeability with system specifications before substitution.

What are the specifications of M1521-14?

Key specifications for M1521-14: Overall Length: 1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: COPPER ALLOY 932 OVERALL; Corner Shape: SQUARE ALL CORNERS. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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