PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58433Bearing,sleeve

Drs Sustainment Systems, Inc. · NSN 3120-00-903-3221 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-903-3221 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-903-3221. Primary manufacturer part number: 58433.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 32.0 MICROINCHES RIGHT END SURFACE OF BODY
  • Body Inside Diameter: 0.2501 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
  • Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Surface Finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY
  • Material: COPPER ALLOY 510 OVERALL
  • Body Outside Diameter: 0.3446 INCHES MINIMUM AND 0.3450 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 510 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-903-3221, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Drs Sustainment Systems, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-903-3221
Primary Part Number58433
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDrs Sustainment Systems, Inc.
StatusCANCELLED
Surface Finish32.0 MICROINCHES RIGHT END SURFACE OF BODY
Body Inside Diameter0.2501 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
Surface Finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish32.0 MICROINCHES LEFT END SURFACE OF BODY
MaterialCOPPER ALLOY 510 OVERALL
Body Outside Diameter0.3446 INCHES MINIMUM AND 0.3450 INCHES MAXIMUM IN
Material Document and ClassificationQQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4820-00-896-59785-8431 1/2 INTERCHANGEABLE
Valve,globe
Flowserve Inc
5330-01-182-579158433 INTERCHANGEABLE
Retainer,packing
Hamilton Sundstrand Corporation
7045-01-490-730374565 INTERCHANGEABLE
Case,computer
Mcklein Company, L.l.c.
Cross-Reference Index
Part NumberManufacturer
58433 Drs Sustainment Systems, Inc. (USA)
58433 Drs Sustainment Systems Inc (USA)
58433 Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)
58433 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
4820-00-896-5978INTERCHANGEABLE
VALVE,GLOBE
5-8431 1/2
5330-01-182-5791INTERCHANGEABLE
RETAINER,PACKING
58433
7045-01-490-7303INTERCHANGEABLE
CASE,COMPUTER
74565

Frequently Asked Questions

What is NSN 3120-00-903-3221?

NSN 3120-00-903-3221 is a Bearing,sleeve, manufactured by Drs Sustainment Systems, Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-903-3221?

NSN 3120-00-903-3221 has 4 cross-referenced part numbers: 58433 (Drs Sustainment Systems, Inc.), 58433 (Drs Sustainment Systems Inc), 58433 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 58433 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 3120-00-903-3221?

There are 3 known substitutes for 3120-00-903-3221: 4820-00-896-5978, 5330-01-182-5791, 7045-01-490-7303. Verify interchangeability with system specifications before substitution.

What are the specifications of 58433?

Key specifications for 58433: Surface Finish: 32.0 MICROINCHES RIGHT END SURFACE OF BODY; Body Inside Diameter: 0.2501 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-903-3221 still in active supply?

NSN 3120-00-903-3221 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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