PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74399Bearing,sleeve

Dresser, Llc · NSN 3120-00-356-1215 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-356-1215 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-356-1215. Primary manufacturer part number: 74399.
Features
  • Bearing,sleeve — FSC 3120
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Body Inside Diameter: 0.4390 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Hardness Rating: 60.0 ROCKWELL C NOMINAL OVERALL
  • Corner Shape: SQUARE INSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-356-1215, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-356-1215
Primary Part Number74399
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
Lubricant Accommodation StyleGROOVED CIRCULAR
Body Inside Diameter0.4390 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
Body Outside Diameter1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN
Surface Groove Location and Quantity1 INTERNAL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Hardness Rating60.0 ROCKWELL C NOMINAL OVERALL
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeCHAMFERED OUTSIDE LEFT CORNER
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-206-983774399 INTERCHANGEABLE
Screw,externally Relieved Body
Telemechanics Inc
5133-00-228-1382 INTERCHANGEABLE
Drill,twist
5330-01-018-7954367376-1 INTERCHANGEABLE
Seal Assembly
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Cross-Reference Index
Part NumberManufacturer
74399 PRIMARY Dresser, Llc (USA)
Related Parts
5305-00-206-9837INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
74399
5133-00-228-1382INTERCHANGEABLE
DRILL,TWIST
5330-01-018-7954INTERCHANGEABLE
SEAL ASSEMBLY
367376-1

Frequently Asked Questions

What is NSN 3120-00-356-1215?

NSN 3120-00-356-1215 is a Bearing,sleeve, manufactured by Dresser, Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-356-1215?

NSN 3120-00-356-1215 has 1 cross-referenced part number: 74399 (Dresser, Llc).

What NSN replaces 3120-00-356-1215?

There are 3 known substitutes for 3120-00-356-1215: 5305-00-206-9837, 5133-00-228-1382, 5330-01-018-7954. Verify interchangeability with system specifications before substitution.

What are the specifications of 74399?

Key specifications for 74399: Lubricant Accommodation Style: GROOVED CIRCULAR; Body Inside Diameter: 0.4390 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN; Overall Length: 0.5900 INCHES MINIMUM AND 0.5950 INCHES MAXIMUM IN; Body Outside Diameter: 1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN. 12 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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