PartsTable TECHNICAL DATA SHEET
NSN 5985-01-185-6183Government record, cited

Coupler, Directional5985-01-185-6183

NSN 5985-01-185-6183 · NIIN 011856183 · Part number 400-125
Bird Electronic Corporation Div Bird Electronic Corp · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 70998
Government record, cited
NSN 5985-01-185-6183 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-185-6183. Manufacturer of record part number: 400-125.
Also searched as  5985-01-185-6183 · 5985011856183 · NIIN 011856183 · 01-185-6183 · FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 70998 · 400-125 · 87291
Nearby stock numbers  ·
Features
  • Coupler,directional — FSC 5985
  • Design Type: BIDIRECTIONAL
  • Radio Frequency Rating: 125.0 MEGAHERTZ MINIMUM AND 250.0 MEGAHERTZ MAXIMUM
  • Unit Type: WAVEGUIDE
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Bird Electronic Corporation Div Bird Electronic Corp
Identification
  • NSN: 5985-01-185-6183
  • NIIN: 011856183
  • FSC: 5985 — Antennas, Waveguides, and Related Equipment
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 400-125
  • Manufacturer: Bird Electronic Corporation Div Bird Electronic Corp
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-185-6183, 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 Bird Electronic Corporation Div Bird Electronic Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-185-6183
Primary Part Number400-125
Item NameCoupler,directional
FSC / FSG5985 / 59 — Antennas, Waveguides, and Related Equipment
ManufacturerBird Electronic Corporation Div Bird Electronic Corp
StatusACTIVE
Design TypeBIDIRECTIONAL
Radio Frequency Rating125.0 MEGAHERTZ MINIMUM AND 250.0 MEGAHERTZ MAXIMUM
Unit TypeWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeN
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-01-197-9676400125 POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Dictaphone Corporation
5315-01-210-7897 POSSIBLE MATCH
PIN,COTTER
Possible match (shared part number)
6515-01-507-0662400.125 POSSIBLE MATCH
SCREW,BONE,MAXILLOFACIAL SURGERY
Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6680-01-558-662140-0125 POSSIBLE MATCH
METER,FLOW RATE INDICATING
Possible match (shared part number)Parker Hannifin Corporation Div Village Marine Tech
4130-01-590-8058400-125 POSSIBLE MATCH
CONDENSER COIL,REFRIGERATION
Possible match (shared part number)South-Tek Systems, Llc
5985-01-680-42384-00125 POSSIBLE MATCH
ANTENNA
Possible match (shared part number)Research Electronics International, L.l.c. Dba Research Electronics Inc
6615-01-693-475987291 POSSIBLE MATCH
COMPUTER,FLIGHT CONTROL
Possible match (shared part number)Aerovironment, Inc.
Cross-Reference Index
Part NumberManufacturer
87291 Tessco Technologies Inc (USA)
400-125 PRIMARY Bird Electronic Corporation Div Bird Electronic Corp (USA)
Related Parts
5998-01-197-9676POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
400125
5315-01-210-7897POSSIBLE MATCH
PIN,COTTER
6515-01-507-0662POSSIBLE MATCH
SCREW,BONE,MAXILLOFACIAL SURGERY
400.125
6680-01-558-6621POSSIBLE MATCH
METER,FLOW RATE INDICATING
40-0125
4130-01-590-8058POSSIBLE MATCH
CONDENSER COIL,REFRIGERATION
400-125
5985-01-680-4238POSSIBLE MATCH
ANTENNA
4-00125
6615-01-693-4759POSSIBLE MATCH
COMPUTER,FLIGHT CONTROL
87291

Frequently Asked Questions

What is NSN 5985-01-185-6183?

NSN 5985-01-185-6183 is a Coupler,directional, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What part numbers are listed for NSN 5985-01-185-6183?

NSN 5985-01-185-6183 has 2 manufacturer part numbers on file: 87291 (Tessco Technologies Inc), 400-125 (Bird Electronic Corporation Div Bird Electronic Corp).

What NSN replaces 5985-01-185-6183?

7 possible matches (shared part number, not a government interchangeability claim): 5998-01-197-9676, 5315-01-210-7897, 6515-01-507-0662. Verify interchangeability with system specifications before substitution.

What are the specifications of 400-125?

Key specifications for 400-125: Design Type: BIDIRECTIONAL; Radio Frequency Rating: 125.0 MEGAHERTZ MINIMUM AND 250.0 MEGAHERTZ MAXIMUM; Overall Width: 1.188 INCHES NOMINAL IN; Unit Type: WAVEGUIDE. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5985-01-185-6183 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 5985-01-185-6183?

NSN 5985-01-185-6183 has DEMIL Code Q. 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.
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