PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44949Seal,waveguide

Frontgrade Technologies Inc. · NSN 5985-00-955-9920 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-955-9920 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-955-9920. Primary manufacturer part number: 44949.
Features
  • Seal,waveguide — FSC 5985
  • FSC Application Data: RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED
  • 3 verified cross-references
  • Primary manufacturer: Frontgrade Technologies Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,waveguide, cataloged under National Stock Number 5985-00-955-9920, 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 Frontgrade Technologies Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-955-9920
Primary Part Number44949
Item NameSeal,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
FSC Application DataRADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2530-00-056-2381 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
5340-00-939-1288 INTERCHANGEABLE
Retainer,helical Compression Spr
6675-01-021-2201260-V INTERCHANGEABLE
Template Set,lettering
Crump Templates, Inc Dba Timesaver Templates
4820-01-281-148644949 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Inc
6540-01-549-9522R900 INTERCHANGEABLE
Tonometer,ophthalmic
Lombart Brothers, Inc.
Cross-Reference Index
Part NumberManufacturer
44949 Litton Systems Inc Airtron Div (USA)
44949 PRIMARY Frontgrade Technologies Inc. (USA)
R-90-0 3dbm Co Inc (USA)
Related Parts
2530-00-056-2381INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
5340-00-939-1288INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
6675-01-021-2201INTERCHANGEABLE
TEMPLATE SET,LETTERING
260-V
4820-01-281-1486INTERCHANGEABLE
STEM,FLUID VALVE
44949
6540-01-549-9522INTERCHANGEABLE
TONOMETER,OPHTHALMIC
R900

Frequently Asked Questions

What is NSN 5985-00-955-9920?

NSN 5985-00-955-9920 is a Seal,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-955-9920?

NSN 5985-00-955-9920 has 3 cross-referenced part numbers: 44949 (Litton Systems Inc Airtron Div), 44949 (Frontgrade Technologies Inc.), R-90-0 (3dbm Co Inc).

What NSN replaces 5985-00-955-9920?

There are 5 known substitutes for 5985-00-955-9920: 2530-00-056-2381, 5340-00-939-1288, 6675-01-021-2201 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44949?

Key specifications for 44949: FSC Application Data: RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED. 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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