PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61335PT500Waveguide Assembly

Instruments and Flight Research, Inc. · NSN 5985-00-931-4958 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-931-4958 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-931-4958. Primary manufacturer part number: 61335PT500.
Features
  • Waveguide Assembly — FSC 5985
  • 2 verified cross-references
  • Primary manufacturer: Instruments and Flight Research, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-931-4958, 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 Instruments and Flight Research, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWaveguide Assembly
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersAirtec Inc Dba Airtec-Unique (CAGE 02706); Instruments and Flight Research, Inc. (CAGE 22525)
Technical Specifications
ParameterValue
NSN5985-00-931-4958
Primary Part Number61335PT500
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4720-00-268-64513-1664-18-XR INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
3040-00-800-3346 INTERCHANGEABLE
Shaft,shouldered
4820-01-032-73912363 INTERCHANGEABLE
Disk,valve
Imi Cash Valve Inc
5310-01-045-92502363 INTERCHANGEABLE
Washer
Clayton Manufacturing Company
9540-01-209-958560-223 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
2520-01-330-3696 INTERCHANGEABLE
Kit,differential Lock Actuator
5330-01-462-75542-363 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corp Div O-Ring Division
1005-01-576-77722363 INTERCHANGEABLE
Feeder,ammunition,machine Gun-Au
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
2363 Airtec Inc Dba Airtec-Unique (USA)
61335PT500 PRIMARY Instruments and Flight Research, Inc. (USA)
Related Parts
4720-00-268-6451INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-18-XR
3040-00-800-3346INTERCHANGEABLE
SHAFT,SHOULDERED
4820-01-032-7391INTERCHANGEABLE
DISK,VALVE
2363
5310-01-045-9250INTERCHANGEABLE
WASHER
2363
9540-01-209-9585INTERCHANGEABLE
ANGLE,STRUCTURAL
60-223
2520-01-330-3696INTERCHANGEABLE
KIT,DIFFERENTIAL LOCK ACTUATOR
5330-01-462-7554INTERCHANGEABLE
PACKING,PREFORMED
2-363
1005-01-576-7772INTERCHANGEABLE
FEEDER,AMMUNITION,MACHINE GUN-AU
2363

Frequently Asked Questions

What is NSN 5985-00-931-4958?

NSN 5985-00-931-4958 is a Waveguide Assembly, manufactured by Instruments and Flight Research, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-931-4958?

NSN 5985-00-931-4958 has 2 cross-referenced part numbers: 2363 (Airtec Inc Dba Airtec-Unique), 61335PT500 (Instruments and Flight Research, Inc.).

What NSN replaces 5985-00-931-4958?

There are 8 known substitutes for 5985-00-931-4958: 4720-00-268-6451, 3040-00-800-3346, 4820-01-032-7391 and 5 more. Verify interchangeability with system specifications before substitution.

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