PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221-0052Inserter and Remover,seal

Caterpillar Inc Div Caterpillar Defense · NSN 5120-01-623-8969 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-623-8969 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-623-8969. Primary manufacturer part number: 221-0052.
Features
  • Inserter and Remover,seal — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Inserter and Remover,seal, cataloged under National Stock Number 5120-01-623-8969, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-623-8969
Primary Part Number221-0052
Item NameInserter and Remover,seal
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6135-00-411-3171CS203-7 INTERCHANGEABLE
Battery,nonrechargeable
Duracell Inc
2520-00-773-53981411-57X INTERCHANGEABLE
Joint Asy Propeller
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
221-0052 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
6135-00-411-3171INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
CS203-7
2520-00-773-5398INTERCHANGEABLE
JOINT ASY PROPELLER
1411-57X

Frequently Asked Questions

What is NSN 5120-01-623-8969?

NSN 5120-01-623-8969 is a Inserter and Remover,seal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-623-8969?

NSN 5120-01-623-8969 has 1 cross-referenced part number: 221-0052 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5120-01-623-8969?

There are 2 known substitutes for 5120-01-623-8969: 6135-00-411-3171, 2520-00-773-5398. Verify interchangeability with system specifications before substitution.

What are the specifications of 221-0052?

Key specifications for 221-0052: Part Name Assigned by Controlling Agency: GUIDE SLEEVE. 1 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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