PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50521Interconnecting Box

Arma Div Ambac Industries Inc · NSN 5975-00-646-5598 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-646-5598 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-646-5598. Primary manufacturer part number: 50521.
Features
  • Interconnecting Box — FSC 5975
  • Material: STEEL
  • FSC Application Data: COMPASS,GYRO
  • 1 verified cross-reference
  • Primary manufacturer: Arma Div Ambac Industries Inc
Applications
  • Applications requiring Steel construction
General Description

The Interconnecting Box, cataloged under National Stock Number 5975-00-646-5598, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Arma Div Ambac Industries Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-646-5598
Primary Part Number50521
Item NameInterconnecting Box
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerArma Div Ambac Industries Inc
StatusACTIVE
MaterialSTEEL
FSC Application DataCOMPASS,GYRO
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1620-00-180-707150521 INTERCHANGEABLE
Connection,inlet Hy
Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)
5365-00-424-869450521 INTERCHANGEABLE
Spacer,ring
Hyster-Yale Group, Inc.
5935-00-578-2643 INTERCHANGEABLE
Connector,plug,electrical
5930-00-802-26015052-1 INTERCHANGEABLE
Pushbutton
Raytheon Company Div Rmd Strategic
5310-01-012-234950521 INTERCHANGEABLE
Washer,flat
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5995-01-254-16463036654G1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
50521 Arma Div Ambac Industries Inc
Related Parts
1620-00-180-7071INTERCHANGEABLE
CONNECTION,INLET HY
50521
5365-00-424-8694INTERCHANGEABLE
SPACER,RING
50521
5935-00-578-2643INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5930-00-802-2601INTERCHANGEABLE
PUSHBUTTON
5052-1
5310-01-012-2349INTERCHANGEABLE
WASHER,FLAT
50521
5995-01-254-1646INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
3036654G1

Frequently Asked Questions

What is NSN 5975-00-646-5598?

NSN 5975-00-646-5598 is a Interconnecting Box, manufactured by Arma Div Ambac Industries Inc, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-646-5598?

NSN 5975-00-646-5598 has 1 cross-referenced part number: 50521 (Arma Div Ambac Industries Inc).

What NSN replaces 5975-00-646-5598?

There are 6 known substitutes for 5975-00-646-5598: 1620-00-180-7071, 5365-00-424-8694, 5935-00-578-2643 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50521?

Key specifications for 50521: Overall Width: 4.250 INCHES NOMINAL IN; Special Features: LGTH 16.500 IN.;FOUR MTG HOLES ON 15-1/2 X 3-1/4 IN. MTG CTRS;FUSE,RHEOSTAT,TRANSFORMER,TERMINAL BLOCK IN; Material: STEEL; Overall Height: 4.250 INCHES NOMINAL IN. 5 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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