PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127-50Bearing,sleeve

Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp · NSN 3120-00-965-0386 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-965-0386 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-965-0386. Primary manufacturer part number: 127-50.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • 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
  • Corner Shape: UNDERCUT LEFT FLANGE BODY CORNER
  • Flange Outside Diameter: 0.2910 INCHES MINIMUM AND 0.3010 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 3120-00-965-0386, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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
NSN3120-00-965-0386
Primary Part Number127-50
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthfield Precision Instrument Corp Dba Northfield Precision Instrument Corp
StatusCANCELLED
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeUNDERCUT LEFT FLANGE BODY CORNER
Flange Outside Diameter0.2910 INCHES MINIMUM AND 0.3010 INCHES MAXIMUM IN
Flange Width0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Inside Diameter0.1252 INCHES MINIMUM AND 0.1254 INCHES MAXIMUM IN
Body Outside Diameter0.2499 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN
Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2640-00-138-832416-483 INTERCHANGEABLE
Solution,buffing
Myers Tire Supply Distribution Inc Div Akron Branch
6760-00-148-1928 INTERCHANGEABLE
Pistol Grip,camera
3455-00-243-9487A814-45L INTERCHANGEABLE
Cutter,milling,angle
F & D Tool Co Inc
5340-00-264-022712750 INTERCHANGEABLE
Cup,compression
Dressta North America Ltd
3460-00-411-743163243 INTERCHANGEABLE
Vise,machine Table
Wilton Packaging Div of Wilton Corp
5950-00-417-4334373305-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5945-00-474-171312750 INTERCHANGEABLE
Solenoid Assy-24 V
Hydro-Aire Aerospace Corp
5910-00-702-641040D106H050DC3 INTERCHANGEABLE
Capacitor,fixed,electrolytic
B. Microfarads, Inc. Dba Barker Microfarads
5140-00-837-531312750 INTERCHANGEABLE
Case,twist Drill
A-Z Factory Supply, Inc.
6530-01-097-099812750 INTERCHANGEABLE
Pad,pressure Point,physicotherap
Bio Clinic Corp
Cross-Reference Index
Part NumberManufacturer
127-50 PRIMARY Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp (USA)
816F PRIMARY Beemer Precision Inc (USA)
K18M0004 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
309-1485-00 PRIMARY Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
309-1485-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
309-1485-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
309-I485-00 PRIMARY Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
309-1485-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
816F Chrysler Corp Amplex Div (USA)
0B39 Secs Inc (USA)
Related Parts
2640-00-138-8324INTERCHANGEABLE
SOLUTION,BUFFING
16-483
6760-00-148-1928INTERCHANGEABLE
PISTOL GRIP,CAMERA
3455-00-243-9487INTERCHANGEABLE
CUTTER,MILLING,ANGLE
A814-45L
5340-00-264-0227INTERCHANGEABLE
CUP,COMPRESSION
12750
3460-00-411-7431INTERCHANGEABLE
VISE,MACHINE TABLE
63243
5950-00-417-4334INTERCHANGEABLE
TRANSFORMER,POWER
373305-1
5945-00-474-1713INTERCHANGEABLE
SOLENOID ASSY-24 V
12750
5910-00-702-6410INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
40D106H050DC3
5140-00-837-5313INTERCHANGEABLE
CASE,TWIST DRILL
12750
6530-01-097-0998INTERCHANGEABLE
PAD,PRESSURE POINT,PHYSICOTHERAP
12750
3040-01-161-3647INTERCHANGEABLE
SHAFT,STRAIGHT,MIXING MACHINE,FO
24551
6530-01-164-2997INTERCHANGEABLE
PAD,PRESSURE POINT,PHYSICOTHERAP
12750

Frequently Asked Questions

What is NSN 3120-00-965-0386?

NSN 3120-00-965-0386 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 3120-00-965-0386?

NSN 3120-00-965-0386 has 10 cross-referenced part numbers: 127-50 (Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp), 816F (Beemer Precision Inc), K18M0004 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 309-1485-00 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 309-1485-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems) and 5 more.

What NSN replaces 3120-00-965-0386?

There are 12 known substitutes for 3120-00-965-0386: 2640-00-138-8324, 6760-00-148-1928, 3455-00-243-9487 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 127-50?

Key specifications for 127-50: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Material: OIL LUBRICATING LUBRICATION; Material: COPPER ALLOY OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-965-0386 still in active supply?

NSN 3120-00-965-0386 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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