PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1620-16Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-01-377-5628 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-377-5628 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-377-5628. Primary manufacturer part number: M1620-16.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.2500 INCHES NOMINAL IN
  • Body Inside Diameter: 1.0000 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Altra Industrial Motion Corp.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-377-5628, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-377-5628
Primary Part NumberM1620-16
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.2500 INCHES NOMINAL IN
Body Inside Diameter1.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-171-4238MS21332-4 INTERCHANGEABLE
Fastener,snapslide
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2510-00-430-739131954 INTERCHANGEABLE
Window Strip
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5315-00-616-5522MS35756-12 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-01-068-126631954 INTERCHANGEABLE
Strainer Element,sediment
Tate Andale, Llc
6515-01-604-0090801H INTERCHANGEABLE
Suture,absorbable,surgical
Ethicon Us Llc Div Ethicon
Cross-Reference Index
Part NumberManufacturer
31954 Altra Industrial Motion Corp. (USA)
M1620-16 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
5325-00-171-4238INTERCHANGEABLE
FASTENER,SNAPSLIDE
MS21332-4
2510-00-430-7391INTERCHANGEABLE
WINDOW STRIP
31954
5315-00-616-5522INTERCHANGEABLE
KEY,WOODRUFF
MS35756-12
4730-01-068-1266INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
31954
6515-01-604-0090INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
801H

Frequently Asked Questions

What is NSN 3120-01-377-5628?

NSN 3120-01-377-5628 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 3120-01-377-5628?

NSN 3120-01-377-5628 has 2 cross-referenced part numbers: 31954 (Altra Industrial Motion Corp.), M1620-16 (Altra Industrial Motion Corp.).

What NSN replaces 3120-01-377-5628?

There are 5 known substitutes for 3120-01-377-5628: 5325-00-171-4238, 2510-00-430-7391, 5315-00-616-5522 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M1620-16?

Key specifications for M1620-16: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: COPPER ALLOY OVERALL; Corner Shape: SQUARE ALL CORNERS; Overall Length: 2.0000 INCHES NOMINAL IN. 6 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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