Antenna Subassembly5985-00-256-3221

NSN 5985-00-256-3221 · NIIN 002563221

FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components

Government record, cited

Also searched as 5985-00-256-3221 · 5985002563221 · NIIN 002563221 · 00-256-3221 · FSC 5985 Antennas, Waveguides, and Related Equipment · 348-1660REVE · 348-1660

Nearby stock numbers ← 5985-00-256-2514 · 5985-00-256-3261 →

Features

Antenna Subassembly — FSC 5985
Component Type and Quantity: 1 BASE AND 1 GEAR AND 1 SWITCH
Overall Diameter: 4.250 INCHES NOMINAL IN

Identification

NSN: 5985-00-256-3221
NIIN: 002563221
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components

General Description

The Antenna Subassembly, cataloged under National Stock Number 5985-00-256-3221, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5985-00-256-3221
Item Name	Antenna Subassembly
FSC / FSG	5985 / 59 — Antennas, Waveguides, and Related Equipment
Status	ACTIVE
Component Type and Quantity	1 BASE AND 1 GEAR AND 1 SWITCH
Overall Diameter	4.250 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
348-1660REVE	5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions
348-1660	3/9 Design control — primary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions

No interchangeability data on file.

Other items in FSC 5985 — Antennas, Waveguides, and Related Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5985-00-001-1854

ANTENNA

5985-00-001-1862

WAVEGUIDE ASSEMBLY

5985-00-001-1869

WAVEGUIDE ASSEMBLY

5985-00-001-1870

WAVEGUIDE ASSEMBLY

5985-00-001-1871

WAVEGUIDE ASSEMBLY

5985-00-001-1874

WAVEGUIDE ASSEMBLY

5985-00-001-1875

ADAPTER,WAVEGUIDE

5985-00-001-1876

WAVEGUIDE ASSEMBLY

Frequently Asked Questions

What is NSN 5985-00-256-3221?

NSN 5985-00-256-3221 is a Antenna Subassembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What are the specifications of 5985-00-256-3221?

Key specifications for 5985-00-256-3221: Component Type and Quantity: 1 BASE AND 1 GEAR AND 1 SWITCH; Overall Diameter: 4.250 INCHES NOMINAL IN; Overall Length: 3.750 INCHES NOMINAL IN; Special Features: COMPONENT TYPE AND QUANTITY:SELSYN 1,TORQUE UNIT 1;MOUNTING CONFIGURATION:MTD BY COLLAR FLANGE. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5985-00-256-3221 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.

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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