PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40109Bearing,washer,thrust

Honeywell International Inc. Div Aerospace - Torrance · NSN 3120-00-555-2791 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-555-2791 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-555-2791. Primary manufacturer part number: 40109.
Features
  • Bearing,washer,thrust — FSC 3120
  • Outside Diameter: 1.0000 INCHES MINIMUM AND 1.0400 INCHES MAXIMUM IN
  • Features Provided: CASEHARDENED
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: ROUND
  • Center Hole Shape Style: ROUND
  • Overall Thickness: 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-555-2791, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN3120-00-555-2791
Primary Part Number40109
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Outside Diameter1.0000 INCHES MINIMUM AND 1.0400 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
Corner ShapeSQUARE ALL CORNERS
Style DesignatorROUND
Center Hole Shape StyleROUND
Overall Thickness0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Diameter0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-070-3364 INTERCHANGEABLE
Semiconductor Device,diode
5815-00-097-6568 INTERCHANGEABLE
Teletypewriter Subassembly
2530-00-350-594040109 INTERCHANGEABLE
Worm
Trw Inc Trw Commercial Steering Div
5950-00-444-3629676862-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
4820-00-451-6257 INTERCHANGEABLE
Disk,valve
6930-00-480-255340109 INTERCHANGEABLE
Brush-Holder Assy
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
5841-00-651-888502-112997-2 INTERCHANGEABLE
Servo Assy
General Dynamics Mission Systems, Inc.
5961-00-945-2022 INTERCHANGEABLE
Semiconductor Device,diode
5130-00-962-9639DW4850 INTERCHANGEABLE
Blade,reciprocating Saw
Dewalt Industrial Tool Co
5365-01-307-395640109 INTERCHANGEABLE
Spacer,sleeve
Bell Intl Inc
Cross-Reference Index
Part NumberManufacturer
40109 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
40109 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
Related Parts
5961-00-070-3364INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5815-00-097-6568INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
2530-00-350-5940INTERCHANGEABLE
WORM
40109
5950-00-444-3629INTERCHANGEABLE
TRANSFORMER,POWER
676862-1
4820-00-451-6257INTERCHANGEABLE
DISK,VALVE
6930-00-480-2553INTERCHANGEABLE
BRUSH-HOLDER ASSY
40109
5841-00-651-8885INTERCHANGEABLE
SERVO ASSY
02-112997-2
5961-00-945-2022INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5130-00-962-9639INTERCHANGEABLE
BLADE,RECIPROCATING SAW
DW4850
5365-01-307-3956INTERCHANGEABLE
SPACER,SLEEVE
40109
8465-01-565-4020INTERCHANGEABLE
HYDRATION SYSTEM
40109
5133-01-644-5816INTERCHANGEABLE
DRILL,TWIST
40109

Frequently Asked Questions

What is NSN 3120-00-555-2791?

NSN 3120-00-555-2791 is a Bearing,washer,thrust, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-555-2791?

NSN 3120-00-555-2791 has 2 cross-referenced part numbers: 40109 (Honeywell International Inc. Div Aerospace - Torrance), 40109 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).

What NSN replaces 3120-00-555-2791?

There are 12 known substitutes for 3120-00-555-2791: 5961-00-070-3364, 5815-00-097-6568, 2530-00-350-5940 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40109?

Key specifications for 40109: Outside Diameter: 1.0000 INCHES MINIMUM AND 1.0400 INCHES MAXIMUM IN; Features Provided: CASEHARDENED; Corner Shape: SQUARE ALL CORNERS; Style Designator: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com