PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3149719-513Inserter,seal

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5120-01-077-2421 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-077-2421 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-077-2421. Primary manufacturer part number: 3149719-513.
Features
  • Inserter,seal — FSC 5120
  • Shape: RECTANGULAR
  • Usage Design: TO INSERT/EXTRACT A 1X4 MOISTURE SEAL
  • 5 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Inserter,seal, cataloged under National Stock Number 5120-01-077-2421, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5120-01-077-2421
Primary Part Number3149719-513
Item NameInserter,seal
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
ShapeRECTANGULAR
Usage DesignTO INSERT/EXTRACT A 1X4 MOISTURE SEAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-01-019-4156800-P7 INTERCHANGEABLE
Remover,electrical Contact
Safran Electronics & Defense, Avionics Usa, Llc
5120-01-541-2494 INTERCHANGEABLE
Remover,electrical Contact
Cross-Reference Index
Part NumberManufacturer
800-P7 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
2986-513 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
563655-513 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
563655-513 Lockheed Martin Corporation Div Rms (USA)
3149719-513 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5120-01-019-4156INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT
800-P7
5120-01-541-2494INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT

Frequently Asked Questions

What is NSN 5120-01-077-2421?

NSN 5120-01-077-2421 is a Inserter,seal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-077-2421?

NSN 5120-01-077-2421 has 5 cross-referenced part numbers: 800-P7 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), 2986-513 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), 563655-513 (Lockheed Martin Corporation Div Rms - Mitchel Field), 563655-513 (Lockheed Martin Corporation Div Rms), 3149719-513 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5120-01-077-2421?

There are 2 known substitutes for 5120-01-077-2421: 5120-01-019-4156, 5120-01-541-2494. Verify interchangeability with system specifications before substitution.

What are the specifications of 3149719-513?

Key specifications for 3149719-513: Shape: RECTANGULAR; Usage Design: TO INSERT/EXTRACT A 1X4 MOISTURE SEAL; Overall Length: 6.250 INCHES NOMINAL IN. 3 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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