PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50SP33-1536Attenuator,fixed

Alan Industries Inc · NSN 5985-00-328-1685 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-328-1685 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-328-1685. Primary manufacturer part number: 50SP33-1536.
Features
  • Attenuator,fixed — FSC 5985
  • Surface Treatment: SILVER BODY
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 BODY
  • Operating Temp Range: -55.0 TO 85.0 CELSIUS DEGC
  • Output Impedance Rating in Ohms: 30.0
  • Power Rating: 1.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
  • Frequency Range: 0.000 HERTZ MINIMUM AND 3.000 GIGAHERTZ MAXIMUM
  • Coaxial Connector Series Designation: N
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 310 or Steel Comp 316 Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-328-1685, 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 Alan Industries Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5985-00-328-1685
Primary Part Number50SP33-1536
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAlan Industries Inc
StatusACTIVE
Surface TreatmentSILVER BODY
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 BODY
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Output Impedance Rating in Ohms30.0
Power Rating1.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
Frequency Range0.000 HERTZ MINIMUM AND 3.000 GIGAHERTZ MAXIMUM
Coaxial Connector Series DesignationN
Input Impedance Rating in Ohms30.0
Rf Signal Attenuation in Decibels30.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Overall Diameter0.750 INCHES NOMINAL IN
Connection Type Per FunctionFEMALE INPUT AND FEMALE OUTPUT
Terminal Type and Quantity2 CONNECTOR
Mounting MethodCONNECTOR
Application DesignTRANSMISSION LINE
Material Document and ClassificationQQ-S-763, QQ-S-763, CLASS 302, 303, 304, 305, 310, OR 316 FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-043-26410312.250MXP INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4730-00-061-53619123 INTERCHANGEABLE
Strainer Element,sediment
Vortox Company
5935-00-196-96999123 INTERCHANGEABLE
Connector,plug,electrical
Telemechanics Inc
4940-00-455-3128 INTERCHANGEABLE
Screen,spray Gun,pa
5330-00-520-1541 INTERCHANGEABLE
Gasket
6685-00-531-4992 INTERCHANGEABLE
Humidity Element,hair
6520-00-536-535042-339 INTERCHANGEABLE
Plugger,plastic Filling,dental
Sklar Corporation Dba Sklar Instruments
5950-00-648-393523505 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
2540-00-810-4057 INTERCHANGEABLE
Leveling System
5970-00-963-703562A5A904-1 INTERCHANGEABLE
Insulator,washer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
50SP33-1536 Alan Industries Inc (USA)
7536355P0001 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
23505 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
9123 Spectrum Control Inc Div Weinschel (USA)
7536355P1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
Related Parts
5920-00-043-2641INTERCHANGEABLE
FUSE,CARTRIDGE
0312.250MXP
4730-00-061-5361INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
9123
5935-00-196-9699INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9123
4940-00-455-3128INTERCHANGEABLE
SCREEN,SPRAY GUN,PA
5330-00-520-1541INTERCHANGEABLE
GASKET
6685-00-531-4992INTERCHANGEABLE
HUMIDITY ELEMENT,HAIR
6520-00-536-5350INTERCHANGEABLE
PLUGGER,PLASTIC FILLING,DENTAL
42-339
5950-00-648-3935INTERCHANGEABLE
TRANSFORMER,POWER
23505
2540-00-810-4057INTERCHANGEABLE
LEVELING SYSTEM
5970-00-963-7035INTERCHANGEABLE
INSULATOR,WASHER
62A5A904-1
4820-01-058-5148INTERCHANGEABLE
STEM,FLUID VALVE
9123PC5A
4820-01-058-5533INTERCHANGEABLE
CAP,VALVE
B7544-001-130

Frequently Asked Questions

What is NSN 5985-00-328-1685?

NSN 5985-00-328-1685 is a Attenuator,fixed, manufactured by Alan Industries Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-328-1685?

NSN 5985-00-328-1685 has 5 cross-referenced part numbers: 50SP33-1536 (Alan Industries Inc), 7536355P0001 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 23505 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 9123 (Spectrum Control Inc Div Weinschel), 7536355P1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems).

What NSN replaces 5985-00-328-1685?

There are 12 known substitutes for 5985-00-328-1685: 5920-00-043-2641, 4730-00-061-5361, 5935-00-196-9699 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50SP33-1536?

Key specifications for 50SP33-1536: Surface Treatment: SILVER BODY; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 BODY; Overall Length: 3.250 INCHES NOMINAL IN; Operating Temp Range: -55.0 TO 85.0 CELSIUS DEGC. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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