PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33421Inserter,bearing and Bushing

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5120-01-351-3955 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-351-3955 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-351-3955. Primary manufacturer part number: 33421.
Features
  • Inserter,bearing and Bushing — FSC 5120
  • Functional Description: USED TO INSTALL DRIVE SHAFT SEAL/BEARING
  • 4 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Inserter,bearing and Bushing, cataloged under National Stock Number 5120-01-351-3955, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5120-01-351-3955
Primary Part Number33421
Item NameInserter,bearing and Bushing
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Functional DescriptionUSED TO INSTALL DRIVE SHAFT SEAL/BEARING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5325-00-200-6317223920 INTERCHANGEABLE
Ring,retaining
Clark Material Handling Company
6210-01-049-2833 INTERCHANGEABLE
Light Assembly,indicator
5962-01-138-1656 INTERCHANGEABLE
Microcircuit,digital
5340-01-246-5547 INTERCHANGEABLE
Hardware Kit,electronic Equipmen
5315-01-266-710828316 INTERCHANGEABLE
Key,woodruff
Dresser, Llc
3220-01-397-678133-421 INTERCHANGEABLE
Saw,radial Overarm,woodworking
Delta Intl Machinery Corp
3040-01-422-7125 INTERCHANGEABLE
Shaft Assembly,shouldered
5120-01-532-2350 INTERCHANGEABLE
Wrench,ratchet
5340-01-581-735033421 INTERCHANGEABLE
Connector,rod End
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
28316 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
33421 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
P90980 Lull Lift Corp Dba Omniquip Parts Worldwide (USA)
P90980 Jlg Industries, Inc. (USA)
Related Parts
5325-00-200-6317INTERCHANGEABLE
RING,RETAINING
223920
6210-01-049-2833INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5962-01-138-1656INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5340-01-246-5547INTERCHANGEABLE
HARDWARE KIT,ELECTRONIC EQUIPMEN
5315-01-266-7108INTERCHANGEABLE
KEY,WOODRUFF
28316
3220-01-397-6781INTERCHANGEABLE
SAW,RADIAL OVERARM,WOODWORKING
33-421
3040-01-422-7125INTERCHANGEABLE
SHAFT ASSEMBLY,SHOULDERED
5120-01-532-2350INTERCHANGEABLE
WRENCH,RATCHET
5340-01-581-7350INTERCHANGEABLE
CONNECTOR,ROD END
33421

Frequently Asked Questions

What is NSN 5120-01-351-3955?

NSN 5120-01-351-3955 is a Inserter,bearing and Bushing, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-351-3955?

NSN 5120-01-351-3955 has 4 cross-referenced part numbers: 28316 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 33421 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), P90980 (Lull Lift Corp Dba Omniquip Parts Worldwide), P90980 (Jlg Industries, Inc.).

What NSN replaces 5120-01-351-3955?

There are 9 known substitutes for 5120-01-351-3955: 5325-00-200-6317, 6210-01-049-2833, 5962-01-138-1656 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33421?

Key specifications for 33421: Functional Description: USED TO INSTALL DRIVE SHAFT SEAL/BEARING; End Item Identification: STANADYNE DB4 INJECTION PUMP. 2 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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