PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100127Bearing,sleeve

Unimac Co Inc · NSN 3120-01-381-2217 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-381-2217 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-381-2217. Primary manufacturer part number: 100127.
Features
  • Bearing,sleeve — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Unimac Co Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-381-2217, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Unimac Co Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersUnimac Co Inc (CAGE 16974)
Technical Specifications
ParameterValue
NSN3120-01-381-2217
Primary Part Number100127
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerUnimac Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-003-5904204-040-760-5 INTERCHANGEABLE
Filter,fluid
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5950-00-065-0220 INTERCHANGEABLE
Reactor
5331-00-126-5265100-127 INTERCHANGEABLE
O-Ring
Sheffer Corp
3110-00-227-2510GB810 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
6625-00-673-451612INWITHLC5302AND163-0512-3 INTERCHANGEABLE
Lead Assy,tester
Mission Systems Davenport Inc.
9320-00-825-4414 INTERCHANGEABLE
Molding Slugs,rubbe
4920-00-885-9862100103 INTERCHANGEABLE
Cable Assembly
Mission Systems Davenport Inc.
2540-00-934-1776100103 INTERCHANGEABLE
Bracket,shock Absor
Cadillac Gage Textron Inc.
5950-01-005-0105 INTERCHANGEABLE
Coil,radio Frequency
5950-01-106-6841100127 INTERCHANGEABLE
Inductor
L3 Technologies, Inc. Div Communication Systems-East
Cross-Reference Index
Part NumberManufacturer
100127 Unimac Co Inc (USA)
100103 Unimac Co Inc (USA)
Related Parts
1650-00-003-5904INTERCHANGEABLE
FILTER,FLUID
204-040-760-5
5950-00-065-0220INTERCHANGEABLE
REACTOR
5331-00-126-5265INTERCHANGEABLE
O-RING
100-127
3110-00-227-2510INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
GB810
6625-00-673-4516INTERCHANGEABLE
LEAD ASSY,TESTER
12INWITHLC5302AND163-0512-3
9320-00-825-4414INTERCHANGEABLE
MOLDING SLUGS,RUBBE
4920-00-885-9862INTERCHANGEABLE
CABLE ASSEMBLY
100103
2540-00-934-1776INTERCHANGEABLE
BRACKET,SHOCK ABSOR
100103
5950-01-005-0105INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-106-6841INTERCHANGEABLE
INDUCTOR
100127
3110-01-172-7029INTERCHANGEABLE
BEARING,BALL,ANNULAR
9121001-02
5910-01-181-8875INTERCHANGEABLE
CAPACITOR

Frequently Asked Questions

What is NSN 3120-01-381-2217?

NSN 3120-01-381-2217 is a Bearing,sleeve, manufactured by Unimac Co Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-381-2217?

NSN 3120-01-381-2217 has 2 cross-referenced part numbers: 100127 (Unimac Co Inc), 100103 (Unimac Co Inc).

What NSN replaces 3120-01-381-2217?

There are 12 known substitutes for 3120-01-381-2217: 1650-00-003-5904, 5950-00-065-0220, 5331-00-126-5265 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com