PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FB1012-5Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-00-816-5541 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-816-5541 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-816-5541. Primary manufacturer part number: FB1012-5.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Material: COPPER ALLOY OVERALL
  • Material: LUBRICANT LUBRICATION
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
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 3120-00-816-5541, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-816-5541
Primary Part NumberFB1012-5
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusCANCELLED
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
MaterialCOPPER ALLOY OVERALL
MaterialLUBRICANT LUBRICATION
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Width0.1250 INCHES NOMINAL IN
Flange Outside Diameter0.9975 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Body Outside Diameter0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Body Inside Diameter0.6250 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-010-0051100051 INTERCHANGEABLE
Screw,cap,hexagon Head
Brinkley Technology Group Llc Dba Hercules Manufacturing
5815-00-116-1242100051 INTERCHANGEABLE
Indicator Module
Ncr Corporation Dba Ncr
5930-00-270-239710005-1 INTERCHANGEABLE
Switch,push
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5365-00-374-8286W304113 INTERCHANGEABLE
Plug,machine Thread
Northrop Grumman Systems Corporation
5315-00-412-9867100-051-1 INTERCHANGEABLE
Pin,straight,headed
Bell Textron Inc
1680-00-480-811610-005-1 INTERCHANGEABLE
Ash Receiver
Bell Textron Inc
5930-01-122-2974 INTERCHANGEABLE
Switch,pressure
5310-01-133-0955100051 INTERCHANGEABLE
Washer,flat
Mile High Equipment Company Dba Ice-O-Matic
5950-01-248-980741411 INTERCHANGEABLE
Transformer,power
Vanguard Electronics, Llc
4810-01-422-087710097-1 INTERCHANGEABLE
Valve,butterfly
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
FB1012-5 PRIMARY Altra Industrial Motion Corp. (USA)
5D3-02697-53 Lake Shore Systems, Inc. (USA)
100051 Symbolic Displays, Inc (USA)
131-0097-003 The Boeing Company Div Legacy Boeing Hb1 (USA)
3120PL0891390 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1950416 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2C5317-20 General Electric Company (USA)
194-0018-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
5D3-03697-53 Lake Shore Systems, Inc. (USA)
Related Parts
5305-00-010-0051INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
100051
5815-00-116-1242INTERCHANGEABLE
INDICATOR MODULE
100051
5930-00-270-2397INTERCHANGEABLE
SWITCH,PUSH
10005-1
5365-00-374-8286INTERCHANGEABLE
PLUG,MACHINE THREAD
W304113
5315-00-412-9867INTERCHANGEABLE
PIN,STRAIGHT,HEADED
100-051-1
1680-00-480-8116INTERCHANGEABLE
ASH RECEIVER
10-005-1
5930-01-122-2974INTERCHANGEABLE
SWITCH,PRESSURE
5310-01-133-0955INTERCHANGEABLE
WASHER,FLAT
100051
5950-01-248-9807INTERCHANGEABLE
TRANSFORMER,POWER
41411
4810-01-422-0877INTERCHANGEABLE
VALVE,BUTTERFLY
10097-1
6685-01-458-0731INTERCHANGEABLE
MANOMETER,VERTICAL TUBE
100051
6210-01-583-7642INTERCHANGEABLE
LIGHT,INDICATOR
100051

Frequently Asked Questions

What is NSN 3120-00-816-5541?

NSN 3120-00-816-5541 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-816-5541?

NSN 3120-00-816-5541 has 9 cross-referenced part numbers: FB1012-5 (Altra Industrial Motion Corp.), 5D3-02697-53 (Lake Shore Systems, Inc.), 100051 (Symbolic Displays, Inc), 131-0097-003 (The Boeing Company Div Legacy Boeing Hb1), 3120PL0891390 (Jednolity Indeks Materialowy - Uniform Material Index) and 4 more.

What NSN replaces 3120-00-816-5541?

There are 12 known substitutes for 3120-00-816-5541: 5305-00-010-0051, 5815-00-116-1242, 5930-00-270-2397 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FB1012-5?

Key specifications for FB1012-5: Overall Length: 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-816-5541 still in active supply?

NSN 3120-00-816-5541 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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