PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

083Inserter,seal

The Boeing Company Div Defense · NSN 5120-01-256-9198 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-256-9198 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-256-9198. Primary manufacturer part number: 083.
Features
  • Inserter,seal — FSC 5120
  • Diameter: 6.000 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Inserter,seal, cataloged under National Stock Number 5120-01-256-9198, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-256-9198
Primary Part Number083
Item NameInserter,seal
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Diameter6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
8030-00-081-2330 INTERCHANGEABLE
Sealing Compound
4130-00-572-4709 INTERCHANGEABLE
Filter-Drier,refrigerant
3940-01-458-4429083 INTERCHANGEABLE
Block,tackle
Harken Inc
Cross-Reference Index
Part NumberManufacturer
083 The Boeing Company Div Defense (USA)
3861400-101 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
8030-00-081-2330INTERCHANGEABLE
SEALING COMPOUND
4130-00-572-4709INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
3940-01-458-4429INTERCHANGEABLE
BLOCK,TACKLE
083

Frequently Asked Questions

What is NSN 5120-01-256-9198?

NSN 5120-01-256-9198 is a Inserter,seal, manufactured by The Boeing Company Div Defense, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-256-9198?

NSN 5120-01-256-9198 has 2 cross-referenced part numbers: 083 (The Boeing Company Div Defense), 3861400-101 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 5120-01-256-9198?

There are 3 known substitutes for 5120-01-256-9198: 8030-00-081-2330, 4130-00-572-4709, 3940-01-458-4429. Verify interchangeability with system specifications before substitution.

What are the specifications of 083?

Key specifications for 083: Diameter: 6.000 INCHES NOMINAL IN; Overall Length: 3.250 INCHES NOMINAL IN. 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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