PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68189Bushing,sleeve

Orbit International Corp. Div Orbit Instrument · NSN 3120-01-426-8777 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-426-8777 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-426-8777. Primary manufacturer part number: 68189.
Features
  • Bushing,sleeve — FSC 3120
  • Surface Treatment: NICKEL OVERALL
  • Material: COPPER ALLOY OVERALL
  • Flange Width: 0.4500 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-C-26074 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: QQ-B-626, 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Outside Diameter: 0.3800 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-426-8777, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Orbit International Corp. Div Orbit Instrument. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN3120-01-426-8777
Primary Part Number68189
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerOrbit International Corp. Div Orbit Instrument
StatusACTIVE
Surface TreatmentNICKEL OVERALL
MaterialCOPPER ALLOY OVERALL
Flange Width0.4500 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-C-26074 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationQQ-B-626, 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter0.3800 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-080-537668189 INTERCHANGEABLE
Clamp,loop
Cummins Inc.
6605-00-413-775468189 INTERCHANGEABLE
Box
Lockheed Martin Corporation Div Rms - Mitchel Field
4310-01-059-7741 INTERCHANGEABLE
Screen,upper,compressor
2530-01-157-5135 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
6510-01-464-0369603-207 INTERCHANGEABLE
Bandage,adhesive
Top Safety Products
Cross-Reference Index
Part NumberManufacturer
68189 PRIMARY Orbit International Corp. Div Orbit Instrument (USA)
Related Parts
5340-00-080-5376INTERCHANGEABLE
CLAMP,LOOP
68189
6605-00-413-7754INTERCHANGEABLE
BOX
68189
4310-01-059-7741INTERCHANGEABLE
SCREEN,UPPER,COMPRESSOR
2530-01-157-5135INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
6510-01-464-0369INTERCHANGEABLE
BANDAGE,ADHESIVE
603-207

Frequently Asked Questions

What is NSN 3120-01-426-8777?

NSN 3120-01-426-8777 is a Bushing,sleeve, manufactured by Orbit International Corp. Div Orbit Instrument, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-426-8777?

NSN 3120-01-426-8777 has 1 cross-referenced part number: 68189 (Orbit International Corp. Div Orbit Instrument).

What NSN replaces 3120-01-426-8777?

There are 5 known substitutes for 3120-01-426-8777: 5340-00-080-5376, 6605-00-413-7754, 4310-01-059-7741 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68189?

Key specifications for 68189: Surface Treatment: NICKEL OVERALL; Material: COPPER ALLOY OVERALL; Flange Width: 0.4500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-26074 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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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