PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2906950Seal,waveguide

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-01-273-3037 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-273-3037 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-273-3037. Primary manufacturer part number: 2906950.
Features
  • Seal,waveguide — FSC 5985
  • Material: ALUMINUM ALLOY 6061 SINGLE SEAL
  • Seal Outside Width: 3.750 INCHES NOMINAL IN
  • Seal Thickness: 0.125 INCHES NOMINAL IN
  • Seal Outside Height: 2.330 INCHES NOMINAL IN
  • Seal Inside Width: 2.840 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM SINGLE SEAL OUTSIDE SURFACES
  • Style Designator: FOR RECTANGULAR WAVEGUIDE AND FLANGE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy 6061 Single Seal construction
General Description

The Seal,waveguide, cataloged under National Stock Number 5985-01-273-3037, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-273-3037
Primary Part Number2906950
Item NameSeal,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
MaterialALUMINUM ALLOY 6061 SINGLE SEAL
Seal Outside Width3.750 INCHES NOMINAL IN
Seal Thickness0.125 INCHES NOMINAL IN
Seal Outside Height2.330 INCHES NOMINAL IN
Seal Inside Width2.840 INCHES NOMINAL IN
Surface TreatmentCADMIUM SINGLE SEAL OUTSIDE SURFACES
Style DesignatorFOR RECTANGULAR WAVEGUIDE AND FLANGE
Seal Inside Height0.670 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5945-00-007-0685758179 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-00-455-7630161-126-0001 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corporation
5950-00-648-2222A2930-7 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5905-01-155-1316SG130 INTERCHANGEABLE
Resistor,thermal
Rtie Holdings Llc
Cross-Reference Index
Part NumberManufacturer
SG130 Star-Glo Industries L.l.c. (USA)
DA-9185-6 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
758179 Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
2906950 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5945-00-007-0685INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
758179
5962-00-455-7630INTERCHANGEABLE
MICROCIRCUIT,LINEAR
161-126-0001
5950-00-648-2222INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A2930-7
5905-01-155-1316INTERCHANGEABLE
RESISTOR,THERMAL
SG130

Frequently Asked Questions

What is NSN 5985-01-273-3037?

NSN 5985-01-273-3037 is a Seal,waveguide, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-273-3037?

NSN 5985-01-273-3037 has 4 cross-referenced part numbers: SG130 (Star-Glo Industries L.l.c.), DA-9185-6 (Stillman Seal Corporation Div Stillman Seal Corperation), 758179 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 2906950 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5985-01-273-3037?

There are 4 known substitutes for 5985-01-273-3037: 5945-00-007-0685, 5962-00-455-7630, 5950-00-648-2222 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2906950?

Key specifications for 2906950: Material: ALUMINUM ALLOY 6061 SINGLE SEAL; Seal Outside Width: 3.750 INCHES NOMINAL IN; Seal Thickness: 0.125 INCHES NOMINAL IN; Seal Outside Height: 2.330 INCHES NOMINAL IN. 8 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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