PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3157087-41Bearing,sleeve

Naval Ship Systems Command · NSN 3120-00-661-7957 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-7957 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-7957. Primary manufacturer part number: 3157087-41.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY 937 OVERALL
  • Body Outside Diameter: 3.0010 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 2.6300 INCHES MINIMUM AND 2.6320 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • 3 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-7957, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-7957
Primary Part Number3157087-41
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY 937 OVERALL
Body Outside Diameter3.0010 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter2.6300 INCHES MINIMUM AND 2.6320 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-201-432749539 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-00-362-2085851009 INTERCHANGEABLE
Bolt,connecting Rod
Dana Off Highway Products, Llc
5310-00-420-6976107661P211 INTERCHANGEABLE
Washer,flat
Siemens Energy, Inc. Dba Dresser-Rand
5120-00-498-8989 INTERCHANGEABLE
Staking Tool,jeweler's
3110-00-565-737218B INTERCHANGEABLE
Bearing,ball,annular
Pacific Hydro Corp
5999-00-583-7028 INTERCHANGEABLE
Retainer,electrical Shield
4020-00-823-7368 INTERCHANGEABLE
Tape,lacing and Tying
7920-01-011-942918-B INTERCHANGEABLE
Brush,wire,scratch
Gordon Brush Mfg. Co., Inc.
4110-01-030-4436KOLPAK 12X9X86 INTERCHANGEABLE
Refrigerator,prefabricated
Kold Pack Incorporated
5120-01-084-4095 INTERCHANGEABLE
Insertion Handle
Cross-Reference Index
Part NumberManufacturer
18B Lake Shore Systems, Inc. (USA)
3157087-41 PRIMARY Naval Ship Systems Command (USA)
3387-4-41 Lake Shore Systems, Inc. (USA)
Related Parts
5935-00-201-4327INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
49539
5306-00-362-2085INTERCHANGEABLE
BOLT,CONNECTING ROD
851009
5310-00-420-6976INTERCHANGEABLE
WASHER,FLAT
107661P211
5120-00-498-8989INTERCHANGEABLE
STAKING TOOL,JEWELER'S
3110-00-565-7372INTERCHANGEABLE
BEARING,BALL,ANNULAR
18B
5999-00-583-7028INTERCHANGEABLE
RETAINER,ELECTRICAL SHIELD
4020-00-823-7368INTERCHANGEABLE
TAPE,LACING AND TYING
7920-01-011-9429INTERCHANGEABLE
BRUSH,WIRE,SCRATCH
18-B
4110-01-030-4436INTERCHANGEABLE
REFRIGERATOR,PREFABRICATED
KOLPAK 12X9X86
5120-01-084-4095INTERCHANGEABLE
INSERTION HANDLE
5340-01-152-6089INTERCHANGEABLE
ROD,GUIDE
18B
5120-01-430-6239INTERCHANGEABLE
PUNCH,CENTER,AUTOMATIC
18B

Frequently Asked Questions

What is NSN 3120-00-661-7957?

NSN 3120-00-661-7957 is a Bearing,sleeve, manufactured by Naval Ship Systems Command, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-7957?

NSN 3120-00-661-7957 has 3 cross-referenced part numbers: 18B (Lake Shore Systems, Inc.), 3157087-41 (Naval Ship Systems Command), 3387-4-41 (Lake Shore Systems, Inc.).

What NSN replaces 3120-00-661-7957?

There are 12 known substitutes for 3120-00-661-7957: 5935-00-201-4327, 5306-00-362-2085, 5310-00-420-6976 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3157087-41?

Key specifications for 3157087-41: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: COPPER ALLOY 937 OVERALL; Body Outside Diameter: 3.0010 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 7 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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