PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A689Bearing,sleeve

Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc · NSN 3120-00-220-2577 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-220-2577 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-220-2577. Primary manufacturer part number: A689.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.1270 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Material: PLASTIC PHENOLIC OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • 4 verified cross-references
  • Primary manufacturer: Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Phenolic Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-220-2577, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-220-2577
Primary Part NumberA689
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTechnical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
StatusACTIVE
Body Inside Diameter0.1270 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
MaterialPLASTIC PHENOLIC OVERALL
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-641-0843689 INTERCHANGEABLE
Gasket
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5360-00-992-4665A689 INTERCHANGEABLE
Spring,helical,compression
Crane Co Div Valve Div
4320-01-003-7700A689 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5935-01-137-1321702003-453 INTERCHANGEABLE
Jack,telephone
Dynalec Corporation
4720-01-312-5050A6089-1 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5998-01-533-5697A-6891 INTERCHANGEABLE
Circuit Card Assembly
The Captor Corporation
Cross-Reference Index
Part NumberManufacturer
A689 PRIMARY Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
A689-1 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
A689-1 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
A689 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
Related Parts
5330-00-641-0843INTERCHANGEABLE
GASKET
689
5360-00-992-4665INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A689
4320-01-003-7700INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A689
5935-01-137-1321INTERCHANGEABLE
JACK,TELEPHONE
702003-453
4720-01-312-5050INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
A6089-1
5998-01-533-5697INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
A-6891

Frequently Asked Questions

What is NSN 3120-00-220-2577?

NSN 3120-00-220-2577 is a Bearing,sleeve, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-220-2577?

NSN 3120-00-220-2577 has 4 cross-referenced part numbers: A689 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), A689-1 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), A689-1 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), A689 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp).

What NSN replaces 3120-00-220-2577?

There are 6 known substitutes for 3120-00-220-2577: 5330-00-641-0843, 5360-00-992-4665, 4320-01-003-7700 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A689?

Key specifications for A689: Body Inside Diameter: 0.1270 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN; Special Features: CONCENTRICITY WITHIN 0.0010 IN. TIR IN; Overall Length: 0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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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