PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S01Bushing,sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3120-00-662-1891 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-1891 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-1891. Primary manufacturer part number: S01.
Features
  • Bushing,sleeve — FSC 3120
  • Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-662-1891, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-662-1891
Primary Part NumberS01
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Surface Finish125.0 MICROINCHES INTERMEDIATE LAYER
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-902-1177 INTERCHANGEABLE
Transistor
4240-01-268-0555T100100 INTERCHANGEABLE
Cartridge,respirator,air Filteri
Honeywell Safety Products Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
S01 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5961-00-902-1177INTERCHANGEABLE
TRANSISTOR
4240-01-268-0555INTERCHANGEABLE
CARTRIDGE,RESPIRATOR,AIR FILTERI
T100100

Frequently Asked Questions

What is NSN 3120-00-662-1891?

NSN 3120-00-662-1891 is a Bushing,sleeve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-662-1891?

NSN 3120-00-662-1891 has 1 cross-referenced part number: S01 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 3120-00-662-1891?

There are 2 known substitutes for 3120-00-662-1891: 5961-00-902-1177, 4240-01-268-0555. Verify interchangeability with system specifications before substitution.

What are the specifications of S01?

Key specifications for S01: Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.9930 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS. 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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