PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SQ4Bushing,sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3120-00-849-2644 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-849-2644 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-849-2644. Primary manufacturer part number: SQ4.
Features
  • Bushing,sleeve — FSC 3120
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY 932 OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.1270 INCHES NOMINAL IN
  • Body Inside Diameter: 0.8750 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-849-2644, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-849-2644
Primary Part NumberSQ4
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY 932 OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.1270 INCHES NOMINAL IN
Body Inside Diameter0.8750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-055-1899209052-331 INTERCHANGEABLE
Clamp,synchro
Timber Top Inc
Cross-Reference Index
Part NumberManufacturer
SQ4 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
294D0005 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5340-00-055-1899INTERCHANGEABLE
CLAMP,SYNCHRO
209052-331

Frequently Asked Questions

What is NSN 3120-00-849-2644?

NSN 3120-00-849-2644 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 3120-00-849-2644?

NSN 3120-00-849-2644 has 2 cross-referenced part numbers: SQ4 (Circor Naval Solutions Llc Dba Warren Pumps), 294D0005 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 3120-00-849-2644?

There is 1 known substitute for 3120-00-849-2644: 5340-00-055-1899. Verify interchangeability with system specifications before substitution.

What are the specifications of SQ4?

Key specifications for SQ4: Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: COPPER ALLOY 932 OVERALL; 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.
PartsTable Design LLC · partstable.com