PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400403Bearing,washer,thrust

Tri-Tec Manufacturing Llc · NSN 3120-01-523-5621 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-523-5621 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-523-5621. Primary manufacturer part number: 400403.
Features
  • Bearing,washer,thrust — FSC 3120
  • 5 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
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 3120-01-523-5621, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,washer,thrust
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersTri-Tec Manufacturing, Llc (CAGE 56349); Tri-Tec Manufacturing Llc (CAGE 98032)
Technical Specifications
ParameterValue
NSN3120-01-523-5621
Primary Part Number400403
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6240-01-124-5309100S INTERCHANGEABLE
Lamp,mercury Vapor
Spectronics Corporation
3120-01-522-5223301005 INTERCHANGEABLE
Bearing,washer,thrust
Tri-Tec Manufacturing Llc
3120-01-522-5227301001 INTERCHANGEABLE
Bearing,washer,thrust
Tri-Tec Manufacturing Llc
3120-01-522-5231400404 INTERCHANGEABLE
Bearing,washer,thrust
Tri-Tec Manufacturing Llc
3120-01-522-5234400405 INTERCHANGEABLE
Bearing,washer,thrust
Tri-Tec Manufacturing Llc
3040-01-523-3276301007-4 INTERCHANGEABLE
Shaft,shouldered
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
SE121T Tri-Tec Manufacturing, Llc (USA)
SE121T SHT 5,301006-01 FN-3 Tri-Tec Manufacturing Llc (USA)
400403 PRIMARY Tri-Tec Manufacturing Llc (USA)
400403 Tri-Tec Manufacturing, Llc (USA)
SE121T SHT 5,301006-01 FN-3 Tri-Tec Manufacturing, Llc (USA)
Related Parts
6240-01-124-5309INTERCHANGEABLE
LAMP,MERCURY VAPOR
100S
3120-01-522-5223INTERCHANGEABLE
BEARING,WASHER,THRUST
301005
3120-01-522-5227INTERCHANGEABLE
BEARING,WASHER,THRUST
301001
3120-01-522-5231INTERCHANGEABLE
BEARING,WASHER,THRUST
400404
3120-01-522-5234INTERCHANGEABLE
BEARING,WASHER,THRUST
400405
3040-01-523-3276INTERCHANGEABLE
SHAFT,SHOULDERED
301007-4

Frequently Asked Questions

What is NSN 3120-01-523-5621?

NSN 3120-01-523-5621 is a Bearing,washer,thrust, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-523-5621?

NSN 3120-01-523-5621 has 5 cross-referenced part numbers: SE121T (Tri-Tec Manufacturing, Llc), SE121T SHT 5,301006-01 FN-3 (Tri-Tec Manufacturing Llc), 400403 (Tri-Tec Manufacturing Llc), 400403 (Tri-Tec Manufacturing, Llc), SE121T SHT 5,301006-01 FN-3 (Tri-Tec Manufacturing, Llc).

What NSN replaces 3120-01-523-5621?

There are 6 known substitutes for 3120-01-523-5621: 6240-01-124-5309, 3120-01-522-5223, 3120-01-522-5227 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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