NSN 5985-00-040-2934 · NIIN 000402934 · Part number 611406
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 10001
Government record, cited
NSN 5985-00-040-2934 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-040-2934. Manufacturer of record part number: 611406.
Also searched as5985-00-040-2934 ·
5985000402934 ·
NIIN 000402934 ·
00-040-2934 ·
FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 10001 · 611406
Supporting Object/surface Attachment Method: FLANGE W/6 MTG HOLES EQUALLY SPACED ON 9.750 IN. DIA CIRCLE IN
Surface Treatment: PAINT
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 5985-00-040-2934
NIIN: 000402934
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 611406
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Support,waveguide, cataloged under National Stock Number 5985-00-040-2934, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5985-00-040-2934
Primary Part Number
611406
Item Name
Support,waveguide
FSC / FSG
5985 / 59 — Antennas, Waveguides, and Related Equipment
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Status
ACTIVE
Supporting Object/surface Attachment Method
FLANGE W/6 MTG HOLES EQUALLY SPACED ON 9.750 IN. DIA CIRCLE IN
Surface Treatment
PAINT
Material
COPPER ALLOY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-00-356-6973SCB338596POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-00-466-0924SMB338596POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-582-912561-1406POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
6520-01-063-1257611406POSSIBLE MATCH
MATRIX,CROWN,DENTAL
Possible match (shared part number)Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division
4930-01-330-0842611-406POSSIBLE MATCH
SCOOP,GREASE GUN
Possible match (shared part number)Ingersoll-Rand Company Dba Ingersoll-Rand
5345-01-331-3839621406POSSIBLE MATCH
WHEEL,ABRASIVE
Possible match (shared part number)Standard Abrasives Inc
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Reference documents
Reference
Meaning
611406
5/2Secondary reference
U.S. Government activity
Related Parts
3040-00-356-6973POSSIBLE MATCH
SHAFT,STRAIGHT
SCB338596
3040-00-466-0924POSSIBLE MATCH
SHAFT,SHOULDERED
SMB338596
5305-00-582-9125POSSIBLE MATCH
SCREW,MACHINE
61-1406
6520-01-063-1257POSSIBLE MATCH
MATRIX,CROWN,DENTAL
611406
4930-01-330-0842POSSIBLE MATCH
SCOOP,GREASE GUN
611-406
5345-01-331-3839POSSIBLE MATCH
WHEEL,ABRASIVE
621406
Frequently Asked Questions
What is NSN 5985-00-040-2934?
NSN 5985-00-040-2934 is a Support,waveguide, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
What part numbers are listed for NSN 5985-00-040-2934?
NSN 5985-00-040-2934 has 1 manufacturer part number on file: 611406 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What NSN replaces 5985-00-040-2934?
6 possible matches (shared part number, not a government interchangeability claim): 3040-00-356-6973, 3040-00-466-0924, 5305-00-582-9125. Verify interchangeability with system specifications before substitution.
What are the specifications of 611406?
Key specifications for 611406: Supporting Object/surface Attachment Method: FLANGE W/6 MTG HOLES EQUALLY SPACED ON 9.750 IN. DIA CIRCLE IN; Overall Length: 5.938 INCHES NOMINAL IN; Special Features: 10.750 IN. DIA;ROUND SHAPE;P/O N RADAR EQUIP. MODEL MK34 MOD 16;USED AS WAVEGUIDE JOINT SUPPORT IN; Surface Treatment: PAINT. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5985-00-040-2934 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 5985-00-040-2934?
NSN 5985-00-040-2934 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.