PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-D-796491-3Waveguide Assembly

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5985-01-034-6714 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-034-6714 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-034-6714. Primary manufacturer part number: SM-D-796491-3.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Connecting Facility and Quantity: 10 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
  • Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
  • Flange Style: CONTACT TYPE ALL FLANGES
  • Waveguide Outside Width: 1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
  • Flexibility: RIGID SINGLE TUBING SEGMENT
  • Style Designator: BEND TYPE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-034-6714, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-034-6714
Primary Part NumberSM-D-796491-3
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Flange Connecting Facility and Quantity10 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Flange StyleCONTACT TYPE ALL FLANGES
Waveguide Outside Width1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Style DesignatorBEND TYPE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentNICKEL ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Flange Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM ALL FLANGES IN
Flange Outside Height1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM ALL FLANGES IN
Insertion Loss in Decibels0.01
Waveguide Outside Height0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Flange Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM ALL FLANGES IN
Waveguide Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
Surface TreatmentPAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Flange Depth0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM ALL FLANGES IN
Flange Quantity2
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Voltage Standing Wave Ratio1.05
Nominal Thread Size0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Outside Width2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM ALL FLANGES IN
Waveguide Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-356-3439SM-B-148352 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-00-586-412650822 INTERCHANGEABLE
Brake,shoe Type
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-789-5582P10020 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
6105-01-232-856250-8-22 INTERCHANGEABLE
Rotor,motor
Westinghouse Electric Corp
1680-01-535-343750822 INTERCHANGEABLE
Spring,aircraft,mat
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-01-572-60055082-2 INTERCHANGEABLE
Strainer Element,sediment
Wisco Products Inc
8145-01-723-789850822 INTERCHANGEABLE
Shipping and Storage Container,e
Ufp Technologies, Inc. Dba United Foam Plastics Div United Foam, a Ufp Technologes Brand
Cross-Reference Index
Part NumberManufacturer
SM-D-796491-3 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50822 Waveline Inc (USA)
624-A29 Microlab/fxr Llc (USA)
Related Parts
5815-00-356-3439INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-148352
2530-00-586-4126INTERCHANGEABLE
BRAKE,SHOE TYPE
50822
5950-00-789-5582INTERCHANGEABLE
TRANSFORMER,POWER
P10020
6105-01-232-8562INTERCHANGEABLE
ROTOR,MOTOR
50-8-22
1680-01-535-3437INTERCHANGEABLE
SPRING,AIRCRAFT,MAT
50822
4730-01-572-6005INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
5082-2
8145-01-723-7898INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
50822

Frequently Asked Questions

What is NSN 5985-01-034-6714?

NSN 5985-01-034-6714 is a Waveguide Assembly, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-034-6714?

NSN 5985-01-034-6714 has 3 cross-referenced part numbers: SM-D-796491-3 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50822 (Waveline Inc), 624-A29 (Microlab/fxr Llc).

What NSN replaces 5985-01-034-6714?

There are 7 known substitutes for 5985-01-034-6714: 5815-00-356-3439, 2530-00-586-4126, 5950-00-789-5582 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-D-796491-3?

Key specifications for SM-D-796491-3: Flange Connecting Facility and Quantity: 10 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES; Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES; Special Features: FLANGES MODIFIED FROM M3922/52-041; INCLUDES COLANT TUBING PER WW-T-799 TYPE L COPPER W/TWO NIPPLES PER QQ-B-626 360 BRASS ALLOY; Flange Style: CONTACT TYPE ALL FLANGES. 25 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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