PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-9572Direct Current Block

Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc · NSN 5985-00-539-3687 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-539-3687 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-539-3687. Primary manufacturer part number: 1-9572.
Features
  • Direct Current Block — FSC 5985
  • Material: STEEL
  • 4 verified cross-references
  • Primary manufacturer: Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc
Applications
  • Applications requiring Steel construction
General Description

The Direct Current Block, cataloged under National Stock Number 5985-00-539-3687, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-539-3687
Primary Part Number1-9572
Item NameDirect Current Block
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAntenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5826-00-863-3746 INTERCHANGEABLE
Plate
5950-01-019-5343989113-38C INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5970-01-042-121319572 INTERCHANGEABLE
Insulator,washer
Cooper Crouse-Hinds Llc
9905-01-059-493819572 INTERCHANGEABLE
Plate,instruction
Safran Power Usa Llc
5365-01-203-033919572 INTERCHANGEABLE
Spacer,sleeve
Kurz & Root Generator Company, Llc
Cross-Reference Index
Part NumberManufacturer
SMA723209-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
2132610-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
1-9572 PRIMARY Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA)
2132610-1 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
Related Parts
5826-00-863-3746INTERCHANGEABLE
PLATE
5950-01-019-5343INTERCHANGEABLE
COIL,RADIO FREQUENCY
989113-38C
5970-01-042-1213INTERCHANGEABLE
INSULATOR,WASHER
19572
9905-01-059-4938INTERCHANGEABLE
PLATE,INSTRUCTION
19572
5365-01-203-0339INTERCHANGEABLE
SPACER,SLEEVE
19572

Frequently Asked Questions

What is NSN 5985-00-539-3687?

NSN 5985-00-539-3687 is a Direct Current Block, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-539-3687?

NSN 5985-00-539-3687 has 4 cross-referenced part numbers: SMA723209-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 2132610-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 1-9572 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc), 2132610-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).

What NSN replaces 5985-00-539-3687?

There are 5 known substitutes for 5985-00-539-3687: 5826-00-863-3746, 5950-01-019-5343, 5970-01-042-1213 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-9572?

Key specifications for 1-9572: Overall Width: 0.500 INCHES NOMINAL IN; Material: STEEL; Overall Length: 0.875 INCHES NOMINAL IN; Overall Height: 0.500 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.
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