PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS3859-4-30Bushing,sleeve

Lockheed Martin Corp · NSN 3120-00-618-6126 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-618-6126 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-618-6126. Primary manufacturer part number: LS3859-4-30.
Features
  • Bushing,sleeve — FSC 3120
  • Surface Treatment: CADMIUM OUTSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: SQUARE ALL CORNERS
  • Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER
  • Material: STEEL COMP 8630 OVERALL
  • Surface Treatment: CADMIUM RIGHT END SURFACE OF BODY
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-S-6050,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Steel Comp 8630 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-618-6126, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3120-00-618-6126
Primary Part NumberLS3859-4-30
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Surface TreatmentCADMIUM OUTSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE ALL CORNERS
Surface Finish125.0 MICROINCHES INTERMEDIATE LAYER
MaterialSTEEL COMP 8630 OVERALL
Surface TreatmentCADMIUM RIGHT END SURFACE OF BODY
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-S-6050,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter0.3761 INCHES MINIMUM AND 0.3766 INCHES MAXIMUM IN
Body Inside Diameter0.2500 INCHES MINIMUM AND 0.2508 INCHES MAXIMUM IN
Surface TreatmentCADMIUM LEFT END SURFACE OF BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-118-77073503 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5935-00-465-955236-774 INTERCHANGEABLE
Jack,tip
Gc/waldom Inc
6220-00-562-1708 INTERCHANGEABLE
Lens,light
2990-00-706-6528 INTERCHANGEABLE
Insulatorengine Mou
5935-00-726-792533-133-BU INTERCHANGEABLE
Plug,tip
Gc/waldom Inc
4310-00-776-3361350-3 INTERCHANGEABLE
Ball,check
Fl Industries Inc Pneumotive Div
1560-00-780-47683503 INTERCHANGEABLE
Housing,cap
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5120-00-846-76129176754 INTERCHANGEABLE
Rivet Set,hand
Us Army Aviation and Missile Command
4730-00-918-5125786 INTERCHANGEABLE
Coupling Half,quick Disconnect
Milton Industries, Inc
5940-01-087-25483503 INTERCHANGEABLE
Terminal Strip,grounding
Crown Audio, Inc. Dba Crown International
Cross-Reference Index
Part NumberManufacturer
LS3859-4-30 PRIMARY Lockheed Martin Corp (USA)
350-3 Avalon Glass and Mirror Co (USA)
Related Parts
5330-00-118-7707INTERCHANGEABLE
GASKET
3503
5935-00-465-9552INTERCHANGEABLE
JACK,TIP
36-774
6220-00-562-1708INTERCHANGEABLE
LENS,LIGHT
2990-00-706-6528INTERCHANGEABLE
INSULATORENGINE MOU
5935-00-726-7925INTERCHANGEABLE
PLUG,TIP
33-133-BU
4310-00-776-3361INTERCHANGEABLE
BALL,CHECK
350-3
1560-00-780-4768INTERCHANGEABLE
HOUSING,CAP
3503
5120-00-846-7612INTERCHANGEABLE
RIVET SET,HAND
9176754
4730-00-918-5125INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
786
5940-01-087-2548INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
3503
2020-01-120-4492INTERCHANGEABLE
MAST,TOP ASSEMBLY
4920-01-165-9062INTERCHANGEABLE
INTERRUPTER
905-3503

Frequently Asked Questions

What is NSN 3120-00-618-6126?

NSN 3120-00-618-6126 is a Bushing,sleeve, manufactured by Lockheed Martin Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-618-6126?

NSN 3120-00-618-6126 has 2 cross-referenced part numbers: LS3859-4-30 (Lockheed Martin Corp), 350-3 (Avalon Glass and Mirror Co).

What NSN replaces 3120-00-618-6126?

There are 12 known substitutes for 3120-00-618-6126: 5330-00-118-7707, 5935-00-465-9552, 6220-00-562-1708 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS3859-4-30?

Key specifications for LS3859-4-30: Surface Treatment: CADMIUM OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER; Material: STEEL COMP 8630 OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-618-6126 still in active supply?

NSN 3120-00-618-6126 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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