PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3527-5Sleeve,seal,coupler

Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging · NSN 5330-00-621-0378 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-621-0378 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-621-0378. Primary manufacturer part number: 3527-5.
Features
  • Sleeve,seal,coupler — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Sleeve,seal,coupler, cataloged under National Stock Number 5330-00-621-0378, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging. 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.

Catalog Facts
Item NameSleeve,seal,coupler
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (CAGE 86831)
Technical Specifications
ParameterValue
NSN5330-00-621-0378
Primary Part Number3527-5
Item NameSleeve,seal,coupler
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSafran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-827-268835275 INTERCHANGEABLE
Connector,receptacle,electrical
Airgas Safety, Inc. Dba Airgas
4710-01-011-944835275 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
5998-01-050-146035275 INTERCHANGEABLE
Circuit Card Assembly
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
1185625 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3527-5 PRIMARY Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
5935-00-827-2688INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
35275
4710-01-011-9448INTERCHANGEABLE
TUBE ASSEMBLY,METAL
35275
5998-01-050-1460INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
35275

Frequently Asked Questions

What is NSN 5330-00-621-0378?

NSN 5330-00-621-0378 is a Sleeve,seal,coupler, manufactured by Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-621-0378?

NSN 5330-00-621-0378 has 2 cross-referenced part numbers: 1185625 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3527-5 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 5330-00-621-0378?

There are 3 known substitutes for 5330-00-621-0378: 5935-00-827-2688, 4710-01-011-9448, 5998-01-050-1460. Verify interchangeability with system specifications before substitution.

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