NSN 5985-00-140-0748 · NIIN 001400748 · Part number 80-5521
Microwave Engineering Corporation · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 06351
Government record, cited
NSN 5985-00-140-0748 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-140-0748. Manufacturer of record part number: 80-5521.
Also searched as5985-00-140-0748 ·
5985001400748 ·
NIIN 001400748 ·
00-140-0748 ·
FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 06351 · 80-5521 · 218-37364-1 · E501
FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
Design Type: BIDIRECTIONAL
Unit Type: COAXIAL LINE
2 manufacturer part numbers on file
Manufacturer of record: Microwave Engineering Corporation
Identification
NSN: 5985-00-140-0748
NIIN: 001400748
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 80-5521
Manufacturer: Microwave Engineering Corporation
General Description
The Coupler,directional, cataloged under National Stock Number 5985-00-140-0748, 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 Microwave Engineering Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
5985-00-140-0748
Primary Part Number
80-5521
Item Name
Coupler,directional
FSC / FSG
5985 / 59 — Antennas, Waveguides, and Related Equipment
Manufacturer
Microwave Engineering Corporation
Status
ACTIVE
FSC Application Data
ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Usage Design
MAIN LINE AND SECONDARY LINE TERMINAL FITTING
Design Type
BIDIRECTIONAL
Unit Type
COAXIAL LINE
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-403-044580552-1POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Hamilton Sundstrand Corporation Dba Collins Aerospace
5915-00-501-3664POSSIBLE MATCH
SUPPRESSOR,PARASITIC
Possible match (shared part number)
5950-00-976-1433805521POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Superior Electric Holding Group Llc Div Specialty Product Technologies
NSN 5985-00-140-0748 is a Coupler,directional, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
What part numbers are listed for NSN 5985-00-140-0748?
NSN 5985-00-140-0748 has 2 manufacturer part numbers on file: 80-5521 (Microwave Engineering Corporation), E501 (Microwave Engineering Corporation).
What NSN replaces 5985-00-140-0748?
3 possible matches (shared part number, not a government interchangeability claim): 3120-00-403-0445, 5915-00-501-3664, 5950-00-976-1433. Verify interchangeability with system specifications before substitution.
What are the specifications of 80-5521?
Key specifications for 80-5521: Overall Height: 1.465 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Design Type: BIDIRECTIONAL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5985-00-140-0748 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 5985-00-140-0748?
NSN 5985-00-140-0748 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.