PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31A7942Bearing,sleeve

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 3120-00-293-6337 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-6337 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-6337. Primary manufacturer part number: 31A7942.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Material: MAGNESIUM OVERALL
  • Body Inside Diameter: 1.3430 INCHES NOMINAL IN
  • Body Outside Diameter: 1.4680 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Magnesium Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-6337, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-293-6337
Primary Part Number31A7942
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
MaterialMAGNESIUM OVERALL
Body Inside Diameter1.3430 INCHES NOMINAL IN
Body Outside Diameter1.4680 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-071-223773835 INTERCHANGEABLE
Screw,cap,hexagon Head
Stewart & Stevenson Power Products Llc
5310-00-285-9797D6-22 INTERCHANGEABLE
Washer,spring Tension
Roller Bearing Co of America, Inc Div Pic Design
4410-00-377-9972F165-971-509 INTERCHANGEABLE
Gear Box
Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric
5305-00-733-661699121885 INTERCHANGEABLE
Screw,wheel
Alfa Laval Inc
2990-01-005-436521885 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5998-01-074-2485 INTERCHANGEABLE
Circuit Card Assembly
3010-01-221-0132404-55-1-10 PC 1891 INTERCHANGEABLE
Drive Unit,angle
Amec Foster Wheeler North America Corp. Dba Foster Wheeler
5977-01-289-27432-1885 INTERCHANGEABLE
Brush,electrical Contact
A. O. Smith Corporation Dba a O Smith Corp
5330-01-322-284921885 INTERCHANGEABLE
Gasket
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
31A7942 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
31A7942 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
21885 Raytheon Company Dba Raytheon (USA)
Related Parts
5305-00-071-2237INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
73835
5310-00-285-9797INTERCHANGEABLE
WASHER,SPRING TENSION
D6-22
4410-00-377-9972INTERCHANGEABLE
GEAR BOX
F165-971-509
5305-00-733-6616INTERCHANGEABLE
SCREW,WHEEL
99121885
2990-01-005-4365INTERCHANGEABLE
MUFFLER,EXHAUST
21885
5998-01-074-2485INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3010-01-221-0132INTERCHANGEABLE
DRIVE UNIT,ANGLE
404-55-1-10 PC 1891
5977-01-289-2743INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
2-1885
5330-01-322-2849INTERCHANGEABLE
GASKET
21885

Frequently Asked Questions

What is NSN 3120-00-293-6337?

NSN 3120-00-293-6337 is a Bearing,sleeve, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-293-6337?

NSN 3120-00-293-6337 has 3 cross-referenced part numbers: 31A7942 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 31A7942 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 21885 (Raytheon Company Dba Raytheon).

What NSN replaces 3120-00-293-6337?

There are 9 known substitutes for 3120-00-293-6337: 5305-00-071-2237, 5310-00-285-9797, 4410-00-377-9972 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31A7942?

Key specifications for 31A7942: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Material: MAGNESIUM OVERALL; Body Inside Diameter: 1.3430 INCHES NOMINAL IN. 6 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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