PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25-845Coupler,rotary,radio Frequency

Diamond Antenna & Microwave Corporation · NSN 5985-00-291-8309 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-291-8309 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-291-8309. Primary manufacturer part number: 25-845.
Features
  • Coupler,rotary,radio Frequency — FSC 5985
  • Unit Type: WAVEGUIDE
  • Radio Frequency Rating: 8.9 GIGAHERTZ MINIMUM AND 9.8 GIGAHERTZ MAXIMUM
  • Overall Diameter: 3.600 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Diamond Antenna & Microwave Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-291-8309, 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 Diamond Antenna & Microwave Corporation. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-291-8309
Primary Part Number25-845
Item NameCoupler,rotary,radio Frequency
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerDiamond Antenna & Microwave Corporation
StatusACTIVE
Unit TypeWAVEGUIDE
Radio Frequency Rating8.9 GIGAHERTZ MINIMUM AND 9.8 GIGAHERTZ MAXIMUM
Overall Diameter3.600 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-064-8156 INTERCHANGEABLE
Link,roller Chain
4730-00-073-724320776 INTERCHANGEABLE
Strainer Element,sediment
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
5330-00-215-51217351163 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
5120-00-227-8074JHWS-115P INTERCHANGEABLE
Extension,socket Wrench
Williams J H Industrial Products Inc
6150-00-644-874553097AS INTERCHANGEABLE
Lead,electrical
Brinkley Technology Group Llc Dba Hercules Manufacturing
4930-00-711-56045463-B INTERCHANGEABLE
Front Stand
The Gorman-Rupp Company Div Gorman-Rupp
4820-00-764-7056 INTERCHANGEABLE
Disk,valve
2530-00-848-49493894219 INTERCHANGEABLE
Mount,cylinder
General Motors Llc Dba General Motors Llc
6685-00-953-9090G29036 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6515-01-035-79338888585000 INTERCHANGEABLE
Hemostatic Tying Kit,blood Vesse
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
583Z4212 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
25-845 PRIMARY Diamond Antenna & Microwave Corporation (USA)
5463 Guide Microwave Inc (USA)
Related Parts
3020-00-064-8156INTERCHANGEABLE
LINK,ROLLER CHAIN
4730-00-073-7243INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
20776
5330-00-215-5121INTERCHANGEABLE
GASKET
7351163
5120-00-227-8074INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
JHWS-115P
6150-00-644-8745INTERCHANGEABLE
LEAD,ELECTRICAL
53097AS
4930-00-711-5604INTERCHANGEABLE
FRONT STAND
5463-B
4820-00-764-7056INTERCHANGEABLE
DISK,VALVE
2530-00-848-4949INTERCHANGEABLE
MOUNT,CYLINDER
3894219
6685-00-953-9090INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G29036
6515-01-035-7933INTERCHANGEABLE
HEMOSTATIC TYING KIT,BLOOD VESSE
8888585000
5305-01-308-5003INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1437816
6150-01-315-4936INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
10560290

Frequently Asked Questions

What is NSN 5985-00-291-8309?

NSN 5985-00-291-8309 is a Coupler,rotary,radio Frequency, manufactured by Diamond Antenna & Microwave Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-291-8309?

NSN 5985-00-291-8309 has 3 cross-referenced part numbers: 583Z4212 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 25-845 (Diamond Antenna & Microwave Corporation), 5463 (Guide Microwave Inc).

What NSN replaces 5985-00-291-8309?

There are 12 known substitutes for 5985-00-291-8309: 3020-00-064-8156, 4730-00-073-7243, 5330-00-215-5121 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25-845?

Key specifications for 25-845: Unit Type: WAVEGUIDE; Radio Frequency Rating: 8.9 GIGAHERTZ MINIMUM AND 9.8 GIGAHERTZ MAXIMUM; Overall Length: 6.000 INCHES NOMINAL IN; Overall Diameter: 3.600 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com