PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40844Bearing,sleeve

Rps-Fl, Inc. Dba Rps Inc · NSN 3120-00-218-3482 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-218-3482 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-218-3482. Primary manufacturer part number: 40844.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Flange Outside Diameter: 3.4950 INCHES MINIMUM AND 3.5050 INCHES MAXIMUM IN
  • Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN
  • Body Inside Diameter: 1.2500 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Material: COPPER ALLOY 934 OVERALL
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 934 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-218-3482, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-218-3482
Primary Part Number40844
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Flange Outside Diameter3.4950 INCHES MINIMUM AND 3.5050 INCHES MAXIMUM IN
Hole Diameter0.2500 INCHES NOMINAL FIRST IN
Body Inside Diameter1.2500 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
MaterialCOPPER ALLOY 934 OVERALL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Outside Diameter1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Material Document and ClassificationMIL-B-16261,GR 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Groove Location and Quantity2 INTERNAL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Antirotation/lubrication Type and Quantity4 HOLE
Flange Width0.3750 INCHES NOMINAL IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Lubricant Accommodation StyleGROOVED OPEN ONE END
MaterialOIL LUBRICATING LUBRICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-597-7638671490 INTERCHANGEABLE
Spring,helical,torsion
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6685-01-268-7807780P INTERCHANGEABLE
Thermocouple,immersion
Alnor Instrument Company
4820-01-464-501554422 INTERCHANGEABLE
Valve,globe
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6105-01-610-9838 INTERCHANGEABLE
Motor,direct Current
Cross-Reference Index
Part NumberManufacturer
40844 Rps-Fl, Inc. Dba Rps Inc (USA)
HM-40844 Hoffert Marine Inc (USA)
255277-3 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5276PC19 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
780P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
780P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
255277-3 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5277PC19 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5276PC19 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5277PC19 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5360-00-597-7638INTERCHANGEABLE
SPRING,HELICAL,TORSION
671490
6685-01-268-7807INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
780P
4820-01-464-5015INTERCHANGEABLE
VALVE,GLOBE
54422
6105-01-610-9838INTERCHANGEABLE
MOTOR,DIRECT CURRENT

Frequently Asked Questions

What is NSN 3120-00-218-3482?

NSN 3120-00-218-3482 is a Bearing,sleeve, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-218-3482?

NSN 3120-00-218-3482 has 10 cross-referenced part numbers: 40844 (Rps-Fl, Inc. Dba Rps Inc), HM-40844 (Hoffert Marine Inc), 255277-3 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5276PC19 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 780P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 5 more.

What NSN replaces 3120-00-218-3482?

There are 4 known substitutes for 3120-00-218-3482: 5360-00-597-7638, 6685-01-268-7807, 4820-01-464-5015 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40844?

Key specifications for 40844: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Overall Length: 3.0000 INCHES NOMINAL IN; Flange Outside Diameter: 3.4950 INCHES MINIMUM AND 3.5050 INCHES MAXIMUM IN; Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN. 20 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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