PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49128-501Isolator,radio Frequency Reflect

Drs Advanced Isr, Llc · NSN 5985-01-531-3809 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-531-3809 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-531-3809. Primary manufacturer part number: 49128-501.
Features
  • Isolator,radio Frequency Reflect — FSC 5985
  • 2 verified cross-references
  • Primary manufacturer: Drs Advanced Isr, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-531-3809, 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 Drs Advanced Isr, Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-531-3809
Primary Part Number49128-501
Item NameIsolator,radio Frequency Reflect
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerDrs Advanced Isr, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-231-554349128 INTERCHANGEABLE
Boot,dust and Moisture Seal
Allianz Sweeper Company
5330-00-285-8278106274 INTERCHANGEABLE
Seal,plain Encased
Cummins Inc.
5365-01-195-540249128 INTERCHANGEABLE
Spacer,ring
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
Cross-Reference Index
Part NumberManufacturer
49128 Drs Advanced Isr, Llc (USA)
49128-501 PRIMARY Drs Advanced Isr, Llc (USA)
Related Parts
5340-00-231-5543INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
49128
5330-00-285-8278INTERCHANGEABLE
SEAL,PLAIN ENCASED
106274
5365-01-195-5402INTERCHANGEABLE
SPACER,RING
49128

Frequently Asked Questions

What is NSN 5985-01-531-3809?

NSN 5985-01-531-3809 is a Isolator,radio Frequency Reflect, manufactured by Drs Advanced Isr, Llc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-531-3809?

NSN 5985-01-531-3809 has 2 cross-referenced part numbers: 49128 (Drs Advanced Isr, Llc), 49128-501 (Drs Advanced Isr, Llc).

What NSN replaces 5985-01-531-3809?

There are 3 known substitutes for 5985-01-531-3809: 5340-00-231-5543, 5330-00-285-8278, 5365-01-195-5402. Verify interchangeability with system specifications before substitution.

What are the specifications of 49128-501?

Key specifications for 49128-501: Special Features: END ITEM: OJ-741(P) UYQ FC-4 PROCESSOR GROUP,COMPUTER. 1 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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