PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

238-350Bearing,sleeve

Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp · NSN 3120-00-912-7774 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-912-7774 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-912-7774. Primary manufacturer part number: 238-350.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Body Inside Diameter: 0.1252 INCHES MINIMUM AND 0.1254 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.2499 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-912-7774, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-912-7774
Primary Part Number238-350
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthfield Precision Instrument Corp Dba Northfield Precision Instrument Corp
StatusCANCELLED
Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialOIL LUBRICATING LUBRICATION
Body Inside Diameter0.1252 INCHES MINIMUM AND 0.1254 INCHES MAXIMUM IN
Body Outside Diameter0.2499 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6105-00-171-65210B68 INTERCHANGEABLE
Motor-Tachometer Generator
Schulze Mfg., Inc.
4820-00-287-3097B-319 SZ 1 1/4 IN INTERCHANGEABLE
Valve,check
Stockham Valves and Fittings Inc
4820-00-287-309806002 INTERCHANGEABLE
Valve,check
Fairbanks Co the
4820-00-287-3114MSS SP80 TYP3,CL 125,SZ 1 IN INTERCHANGEABLE
Valve,check
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-287-4222B-319 SZ 3 IN INTERCHANGEABLE
Valve,check
Stockham Valves and Fittings Inc
4820-00-287-4234578-2.5 INTERCHANGEABLE
Valve,check
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-00-288-6677160984 INTERCHANGEABLE
Valve,check
Brinkley Technology Group Llc Dba Hercules Manufacturing
4820-00-288-6678514-001-3/4IN INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-00-689-6743B319Y-1/2IN INTERCHANGEABLE
Valve,check
Stockham Valves and Fittings Inc
5915-01-458-215179C0163-04 INTERCHANGEABLE
Filter Assembly,electrical
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
DAM10 Allied Devices Corp Dba Absolute Precision Co (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
238-350 PRIMARY Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp (USA)
B3-19 W. M. Berg, Inc. (USA)
0B68 PRIMARY Secs Inc (USA)
Related Parts
6105-00-171-6521INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
0B68
4820-00-287-3097INTERCHANGEABLE
VALVE,CHECK
B-319 SZ 1 1/4 IN
4820-00-287-3098INTERCHANGEABLE
VALVE,CHECK
06002
4820-00-287-3114INTERCHANGEABLE
VALVE,CHECK
MSS SP80 TYP3,CL 125,SZ 1 IN
4820-00-287-4222INTERCHANGEABLE
VALVE,CHECK
B-319 SZ 3 IN
4820-00-287-4234INTERCHANGEABLE
VALVE,CHECK
578-2.5
4820-00-288-6677INTERCHANGEABLE
VALVE,CHECK
160984
4820-00-288-6678INTERCHANGEABLE
VALVE,CHECK
514-001-3/4IN
4820-00-689-6743INTERCHANGEABLE
VALVE,CHECK
B319Y-1/2IN
5915-01-458-2151INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
79C0163-04
5365-01-470-8604INTERCHANGEABLE
SPACER,SLEEVE
916806
6105-01-582-1924INTERCHANGEABLE
MOTOR ASSEMBLY,ELECTRIC

Frequently Asked Questions

What is NSN 3120-00-912-7774?

NSN 3120-00-912-7774 is a Bearing,sleeve, manufactured by Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-912-7774?

NSN 3120-00-912-7774 has 5 cross-referenced part numbers: DAM10 (Allied Devices Corp Dba Absolute Precision Co), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 238-350 (Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp), B3-19 (W. M. Berg, Inc.), 0B68 (Secs Inc).

What NSN replaces 3120-00-912-7774?

There are 12 known substitutes for 3120-00-912-7774: 6105-00-171-6521, 4820-00-287-3097, 4820-00-287-3098 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 238-350?

Key specifications for 238-350: Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Special Features: 4 PERCENT MOLYBDENUM DISULPHIDE ADDED; Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Material: COPPER ALLOY OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-912-7774 still in active supply?

NSN 3120-00-912-7774 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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