PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7707282-4Waveguide Assembly

Lockheed Martin Corporation Div Rms · NSN 5985-00-280-8057 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-280-8057 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-280-8057. Primary manufacturer part number: 7707282-4.
Features
  • Waveguide Assembly — FSC 5985
  • Precious Material and Location: TUBING INTERNAL SURFACE SILVER
  • Flange Style: CONTACT TYPE ALL FLANGES
  • Style Designator: STRAIGHT TYPE
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Flange Connecting Hole Diameter: 0.323 INCHES MINIMUM AND 0.333 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
  • Flange Outside Height: 5.423 INCHES MINIMUM AND 5.453 INCHES MAXIMUM ALL FLANGES IN
  • Flange Inside Height: 3.415 INCHES MINIMUM AND 3.420 INCHES MAXIMUM ALL FLANGES IN
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-280-8057, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 24 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-280-8057
Primary Part Number7707282-4
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusCANCELLED
Precious Material and LocationTUBING INTERNAL SURFACE SILVER
Flange StyleCONTACT TYPE ALL FLANGES
Style DesignatorSTRAIGHT TYPE
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.323 INCHES MINIMUM AND 0.333 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Outside Height5.423 INCHES MINIMUM AND 5.453 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Height3.415 INCHES MINIMUM AND 3.420 INCHES MAXIMUM ALL FLANGES IN
Flange Quantity2
Waveguide Length1.395 FEET NOMINAL FT
Tubing Wall Construction StyleCONVOLUTE SINGLE TUBING SEGMENT
Waveguide Outside Height3.402 INCHES MINIMUM AND 3.418 INCHES MAXIMUM IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Flange Connecting Facility and Quantity10 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Outside Width6.652 INCHES MINIMUM AND 6.668 INCHES MAXIMUM IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Waveguide Inside Height3.242 INCHES MINIMUM AND 3.258 INCHES MAXIMUM IN
Waveguide Inside Width6.492 INCHES MINIMUM AND 6.508 INCHES MAXIMUM IN
Flange Depth0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM ALL FLANGES IN
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
Flange Outside Width8.673 INCHES MINIMUM AND 8.703 INCHES MAXIMUM ALL FLANGES IN
MaterialRUBBER SINGLE TUBING JACKET
Precious MaterialSILVER
Flange Inside Width6.665 INCHES MINIMUM AND 6.670 INCHES MAXIMUM ALL FLANGES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5136-00-189-3201402795 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5910-00-248-547020053 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5935-00-257-6849UG261BU INTERCHANGEABLE
Connector,plug,electrical
Joint Electronics Type Designation System
5985-00-295-8930 INTERCHANGEABLE
Waveguide Assembly
5985-00-296-22957707282P2 INTERCHANGEABLE
Waveguide Assembly
Lockheed Martin Corporation Div Rms
5925-00-489-862531215 INTERCHANGEABLE
Circuit Breaker
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5905-00-523-187253-49 INTERCHANGEABLE
Resistor,voltage Sensitive
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5355-00-667-74959012-03-00015 INTERCHANGEABLE
Knob
Pax Mfg Corp Hammarlund Mfg Co Div
4820-01-019-754831215 INTERCHANGEABLE
Valve,assembly,control
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3455-01-142-62323024HS INTERCHANGEABLE
Blade,band Saw,metal Cutting
Greenlee Textron Inc.
Cross-Reference Index
Part NumberManufacturer
CG-537/U Joint Electronics Type Designation System (USA)
31215 Litton Systems Inc Airtron Div (USA)
7707282-4 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Related Parts
5136-00-189-3201INTERCHANGEABLE
DIE,THREAD CUTTING
402795
5910-00-248-5470INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
20053
5935-00-257-6849INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UG261BU
5985-00-295-8930INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5985-00-296-2295INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
7707282P2
5925-00-489-8625INTERCHANGEABLE
CIRCUIT BREAKER
31215
5905-00-523-1872INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
53-49
5355-00-667-7495INTERCHANGEABLE
KNOB
9012-03-00015
4820-01-019-7548INTERCHANGEABLE
VALVE,ASSEMBLY,CONTROL
31215
3455-01-142-6232INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
3024HS
6530-01-148-7427INTERCHANGEABLE
ENVELOPE,STERILIZATION
3-1215
5120-01-430-6846INTERCHANGEABLE
WRENCH,TAP AND REAMER
164

Frequently Asked Questions

What is NSN 5985-00-280-8057?

NSN 5985-00-280-8057 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-280-8057?

NSN 5985-00-280-8057 has 3 cross-referenced part numbers: CG-537/U (Joint Electronics Type Designation System), 31215 (Litton Systems Inc Airtron Div), 7707282-4 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5985-00-280-8057?

There are 12 known substitutes for 5985-00-280-8057: 5136-00-189-3201, 5910-00-248-5470, 5935-00-257-6849 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7707282-4?

Key specifications for 7707282-4: Precious Material and Location: TUBING INTERNAL SURFACE SILVER; Flange Style: CONTACT TYPE ALL FLANGES; Style Designator: STRAIGHT TYPE; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-280-8057 still in active supply?

NSN 5985-00-280-8057 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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