PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

342-2100-483901ALT4PCR3Bearing,sleeve

Naval Ship Systems Command · NSN 3120-00-287-6573 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-6573 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-6573. Primary manufacturer part number: 342-2100-483901ALT4PCR3.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Material: OIL LUBRICATING LUBRICATION
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Outside Diameter: 1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-287-6573, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 12 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
NSN3120-00-287-6573
Primary Part Number342-2100-483901ALT4PCR3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Material Document and ClassificationMIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5325-00-007-6111 INTERCHANGEABLE
Ring,retaining
5962-00-491-4908 INTERCHANGEABLE
Microcircuit,digital
6530-01-121-0944 INTERCHANGEABLE
Wrapper,sterilization
Cross-Reference Index
Part NumberManufacturer
342-2100-483901ALT4PCR3 PRIMARY Naval Ship Systems Command (USA)
342-2100-483900ALT3PCR3 PRIMARY Naval Ship Systems Command (USA)
A1049-2 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
0246-51-4A4-35 Dover Corp Elevator Div (USA)
4254-19REXAPC42 PRIMARY Unimasco Inc (USA)
A1049PC2 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
K1031-52 Keystone Carbon Co Inc (USA)
484197 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2479-152PCR3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
435-2100-483602PCR3 PRIMARY Naval Ship Systems Command (USA)
AA1049-2 Eagle-Picher Industries Inc Kingwell Div (USA)
A1049PC2 PRIMARY Chrysler Corp Amplex Div (USA)
C30-15 Midwest Metal Stamping Co Inc
AA1049-2 PRIMARY Chrysler Corp Amplex Div (USA)
3754-19REVAPC5 PRIMARY Unimasco Inc (USA)
A1049-2 Chrysler Corp Amplex Div (USA)
AA1049-2 Beemer Precision Inc (USA)
2479-170PCR3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
SL757-14 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
Related Parts
5325-00-007-6111INTERCHANGEABLE
RING,RETAINING
5962-00-491-4908INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6530-01-121-0944INTERCHANGEABLE
WRAPPER,STERILIZATION

Frequently Asked Questions

What is NSN 3120-00-287-6573?

NSN 3120-00-287-6573 is a Bearing,sleeve, manufactured by Naval Ship Systems Command, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-287-6573?

NSN 3120-00-287-6573 has 19 cross-referenced part numbers: 342-2100-483901ALT4PCR3 (Naval Ship Systems Command), 342-2100-483900ALT3PCR3 (Naval Ship Systems Command), A1049-2 (Chrysler Realty Company Llc Dba Daimler Chrysler), 0246-51-4A4-35 (Dover Corp Elevator Div), 4254-19REXAPC42 (Unimasco Inc) and 14 more.

What NSN replaces 3120-00-287-6573?

There are 3 known substitutes for 3120-00-287-6573: 5325-00-007-6111, 5962-00-491-4908, 6530-01-121-0944. Verify interchangeability with system specifications before substitution.

What are the specifications of 342-2100-483901ALT4PCR3?

Key specifications for 342-2100-483901ALT4PCR3: Overall Length: 0.8750 INCHES NOMINAL IN; Material Document and Classification: MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Material: OIL LUBRICATING LUBRICATION; Material: COPPER ALLOY OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-287-6573 still in active supply?

NSN 3120-00-287-6573 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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