PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

114RS312-1Bearing,washer,thrust

New Hampshire Ball Bearings Inc Div Astro Division · NSN 3120-00-073-8298 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-073-8298 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-073-8298. Primary manufacturer part number: 114RS312-1.
Features
  • Bearing,washer,thrust — FSC 3120
  • Surface Finish: 125.0 MICROINCHES OVERALL
  • Center Hole Shape Style: ROUND
  • Diameter: 10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN
  • Shank Outside Diameter: 10.9880 INCHES MINIMUM AND 10.9900 INCHES MAXIMUM IN
  • Flange Thickness: 0.3150 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN
  • Outside Diameter: 11.5430 INCHES MINIMUM AND 11.5480 INCHES MAXIMUM IN
  • Overall Thickness: 1.0100 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
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 3120-00-073-8298, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-073-8298
Primary Part Number114RS312-1
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Astro Division
StatusACTIVE
Surface Finish125.0 MICROINCHES OVERALL
Center Hole Shape StyleROUND
Diameter10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN
Shank Outside Diameter10.9880 INCHES MINIMUM AND 10.9900 INCHES MAXIMUM IN
Flange Thickness0.3150 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN
Outside Diameter11.5430 INCHES MINIMUM AND 11.5480 INCHES MAXIMUM IN
Overall Thickness1.0100 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
Style DesignatorROUND
Cross-Sectional Shape StyleSHOULDERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-071-1599 INTERCHANGEABLE
Reactor
2810-00-118-973391124 INTERCHANGEABLE
Standpipe
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-467-7735AM1208 INTERCHANGEABLE
Sealing Ring
Meggitt (uk) Ltd Div Meggitt Sensing Systems
5990-00-519-9242 INTERCHANGEABLE
Synchro,transmitter
5325-00-840-716591124 INTERCHANGEABLE
Grommet,nonmetallic
Ibide International Corporation
4920-01-296-153391124 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
4940-01-519-5964 INTERCHANGEABLE
Hook,spray Gun
5120-01-652-360291124 INTERCHANGEABLE
Key,socket Head Screw
Eklind Tool Co
Cross-Reference Index
Part NumberManufacturer
114RS312-1 PRIMARY New Hampshire Ball Bearings Inc Div Astro Division (USA)
FBJ344TF352-34 Rbc Aircraft Products, Inc. (USA)
91124 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
114RS312-1 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
AM1208 New Hampshire Ball Bearings Inc Div Astro Division (USA)
90664 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
114RS312-1 The Boeing Company (USA)
FBJ344TF352-34 Timken Co Div the Timken Company (USA)
Related Parts
5950-00-071-1599INTERCHANGEABLE
REACTOR
2810-00-118-9733INTERCHANGEABLE
STANDPIPE
91124
5330-00-467-7735INTERCHANGEABLE
SEALING RING
AM1208
5990-00-519-9242INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5325-00-840-7165INTERCHANGEABLE
GROMMET,NONMETALLIC
91124
4920-01-296-1533INTERCHANGEABLE
TEST PROGRAM SET
91124
4940-01-519-5964INTERCHANGEABLE
HOOK,SPRAY GUN
5120-01-652-3602INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
91124

Frequently Asked Questions

What is NSN 3120-00-073-8298?

NSN 3120-00-073-8298 is a Bearing,washer,thrust, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-073-8298?

NSN 3120-00-073-8298 has 8 cross-referenced part numbers: 114RS312-1 (New Hampshire Ball Bearings Inc Div Astro Division), FBJ344TF352-34 (Rbc Aircraft Products, Inc.), 91124 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 114RS312-1 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), AM1208 (New Hampshire Ball Bearings Inc Div Astro Division) and 3 more.

What NSN replaces 3120-00-073-8298?

There are 8 known substitutes for 3120-00-073-8298: 5950-00-071-1599, 2810-00-118-9733, 5330-00-467-7735 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 114RS312-1?

Key specifications for 114RS312-1: Surface Finish: 125.0 MICROINCHES OVERALL; Special Features: THREE MATCHED 120 DEG SEGMENTS IDENTIFIED W/A COMMON SERIAL NO.; Center Hole Shape Style: ROUND; Diameter: 10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN. 10 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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