PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

FB1216-16Bearing,sleeve

Name: FB1216-16
SKU: 3120-01-377-0947

Altra Industrial Motion Corp. · NSN 3120-01-377-0947 · FSC 3120 · No Item Name Available

Verified by PartsTable

NSN 3120-01-377-0947 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-377-0947. Primary manufacturer part number: FB1216-16.

3120-01-377-0947 — No Item Name Available illustration

Features

Bearing,sleeve — FSC 3120
Style Designator: SOLID, EXTERNAL FLANGE ONE END
Flange Width: 0.1562 INCHES NOMINAL IN
Body Outside Diameter: 1.0030 INCHES NOMINAL IN
Corner Shape: SQUARE ALL CORNERS
Material: COPPER ALLOY 841 OVERALL
Flange Outside Diameter: 1.2500 INCHES NOMINAL IN
Body Inside Diameter: 0.7520 INCHES NOMINAL IN

Applications

Rotating machinery support and alignment
Shaft load distribution
Precision spindle assemblies
Applications requiring Copper Alloy 841 Overall construction

General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-377-0947, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3120-01-377-0947
Primary Part Number	FB1216-16
Item Name	Bearing,sleeve
FSC / FSG	3120 / 31 — No Item Name Available
Manufacturer	Altra Industrial Motion Corp.
Status	ACTIVE
Style Designator	SOLID, EXTERNAL FLANGE ONE END
Flange Width	0.1562 INCHES NOMINAL IN
Body Outside Diameter	1.0030 INCHES NOMINAL IN
Corner Shape	SQUARE ALL CORNERS
Material	COPPER ALLOY 841 OVERALL
Flange Outside Diameter	1.2500 INCHES NOMINAL IN
Body Inside Diameter	0.7520 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 10

5945-00-424-3872 INTERCHANGEABLE

Relay,electromagnetic

5340-00-525-06085250608 INTERCHANGEABLE

Plunger,detent

U S Army Tank Automotive Command Amsta-Im-Mm

4930-01-231-5369LX-1344 INTERCHANGEABLE

Pump,lubricant Transfer

Worldwide Welding, Incorporated Div Lumax Lubrication Equipment

5365-01-656-417635660-3 INTERCHANGEABLE

Bushing,nonmetallic

United States Department of the Navy Dba Naval Surface Warfare Center Panama City

4030-01-656-572035660-4 INTERCHANGEABLE

Hook,hoist

United States Department of the Navy Dba Naval Surface Warfare Center Panama City

5306-01-656-642935660-6 INTERCHANGEABLE

Rod,threaded End

United States Department of the Navy Dba Naval Surface Warfare Center Panama City

5307-01-656-659135660-5 INTERCHANGEABLE

Stud,shouldered

United States Department of the Navy Dba Naval Surface Warfare Center Panama City

5935-01-687-466235660 INTERCHANGEABLE

Connector,plug,electrical

Amphenol Corp Div Amphenol Aerospace Operations

5340-01-734-0004045148-01 INTERCHANGEABLE

Hardware Kit,mechanic Equipment

Rix Industries

5945-01-734-0013045147-01 INTERCHANGEABLE

Relay,thermal

Rix Industries

Cross-Reference Index

Part Number	Manufacturer
FB1216-16 PRIMARY	Altra Industrial Motion Corp. (USA)
FF-B1216-16	Bunting Bearings Corp Mansfield Plant (USA)
35660	Altra Industrial Motion Corp. (USA)

Related Parts

5945-00-424-3872INTERCHANGEABLE

RELAY,ELECTROMAGNETIC

5340-00-525-0608INTERCHANGEABLE

PLUNGER,DETENT

5250608

4930-01-231-5369INTERCHANGEABLE

PUMP,LUBRICANT TRANSFER

LX-1344

5365-01-656-4176INTERCHANGEABLE

BUSHING,NONMETALLIC

35660-3

4030-01-656-5720INTERCHANGEABLE

HOOK,HOIST

35660-4

5306-01-656-6429INTERCHANGEABLE

ROD,THREADED END

35660-6

5307-01-656-6591INTERCHANGEABLE

STUD,SHOULDERED

35660-5

5935-01-687-4662INTERCHANGEABLE

CONNECTOR,PLUG,ELECTRICAL

35660

5340-01-734-0004INTERCHANGEABLE

HARDWARE KIT,MECHANIC EQUIPMENT

045148-01

5945-01-734-0013INTERCHANGEABLE

RELAY,THERMAL

045147-01

Frequently Asked Questions

What is NSN 3120-01-377-0947?

NSN 3120-01-377-0947 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 3120-01-377-0947?

NSN 3120-01-377-0947 has 3 cross-referenced part numbers: FB1216-16 (Altra Industrial Motion Corp.), FF-B1216-16 (Bunting Bearings Corp Mansfield Plant), 35660 (Altra Industrial Motion Corp.).

What NSN replaces 3120-01-377-0947?

There are 10 known substitutes for 3120-01-377-0947: 5945-00-424-3872, 5340-00-525-0608, 4930-01-231-5369 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FB1216-16?

Key specifications for FB1216-16: Overall Length: 2.0000 INCHES NOMINAL IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Flange Width: 0.1562 INCHES NOMINAL IN; Body Outside Diameter: 1.0030 INCHES NOMINAL IN. 8 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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