PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B11-1Bearing,sleeve

Roller Bearing Co of America, Inc Div Pic Design · NSN 3120-00-879-8983 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-879-8983 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-879-8983. Primary manufacturer part number: B11-1.
Features
  • Bearing,sleeve — FSC 3120
  • Material: OIL LUBRICATING LUBRICATION
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material Document and Classification: SAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
  • Flange Outside Diameter: 0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN
  • Flange Width: 0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
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 3120-00-879-8983, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-879-8983
Primary Part NumberB11-1
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
MaterialOIL LUBRICATING LUBRICATION
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Document and ClassificationSAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
Flange Outside Diameter0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN
Flange Width0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Body Outside Diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Body Inside Diameter0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5999-00-050-1419 INTERCHANGEABLE
Contact,electrical
5905-00-283-4407 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-283-4409 INTERCHANGEABLE
Resistor,fixed,wire Wound
8455-00-292-9572 INTERCHANGEABLE
Stripe,service
4510-01-198-4342B-0111 INTERCHANGEABLE
Prerinse Spray Assembly
T and S Brass and Bronze Works Inc
7830-01-457-9095B111 INTERCHANGEABLE
Bench Press Olympic
Body Masters Supports Industry Inc
5360-01-468-8826B1-11 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
4820-01-507-2555B-1-11 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Wesley International Llc Dba Wesley International Corp
8455-01-524-1931 INTERCHANGEABLE
Stripe,service
8455-01-524-2323 INTERCHANGEABLE
Stripe,service
Cross-Reference Index
Part NumberManufacturer
347C990H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
B11-1 Precision Instruments Inc (USA)
B11-1 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
B7-30 W. M. Berg, Inc. (USA)
B11-1 Precision Instruments Inc. (USA)
5800332-1217-003 Hensoldt Sensors Gmbh (DEU)
DB111 Allied Devices Corp Dba Absolute Precision Co (USA)
Related Parts
5999-00-050-1419INTERCHANGEABLE
CONTACT,ELECTRICAL
5905-00-283-4407INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-283-4409INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
8455-00-292-9572INTERCHANGEABLE
STRIPE,SERVICE
4510-01-198-4342INTERCHANGEABLE
PRERINSE SPRAY ASSEMBLY
B-0111
7830-01-457-9095INTERCHANGEABLE
BENCH PRESS OLYMPIC
B111
5360-01-468-8826INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
B1-11
4820-01-507-2555INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
B-1-11
8455-01-524-1931INTERCHANGEABLE
STRIPE,SERVICE
8455-01-524-2323INTERCHANGEABLE
STRIPE,SERVICE
6515-01-582-7747INTERCHANGEABLE
PIN,CALIBRATION,RADIOACTIVE
PHANTOM-507

Frequently Asked Questions

What is NSN 3120-00-879-8983?

NSN 3120-00-879-8983 is a Bearing,sleeve, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-879-8983?

NSN 3120-00-879-8983 has 7 cross-referenced part numbers: 347C990H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), B11-1 (Precision Instruments Inc), B11-1 (Roller Bearing Co of America, Inc Div Pic Design), B7-30 (W. M. Berg, Inc.), B11-1 (Precision Instruments Inc.) and 2 more.

What NSN replaces 3120-00-879-8983?

There are 11 known substitutes for 3120-00-879-8983: 5999-00-050-1419, 5905-00-283-4407, 5905-00-283-4409 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B11-1?

Key specifications for B11-1: Material: OIL LUBRICATING LUBRICATION; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Document and Classification: SAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-879-8983 still in active supply?

NSN 3120-00-879-8983 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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