PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8221-1Junction Box

Eaton Aviation Corporation · NSN 5975-01-449-5442 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-449-5442 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-449-5442. Primary manufacturer part number: 8221-1.
Features
  • Junction Box — FSC 5975
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aviation Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Junction Box, cataloged under National Stock Number 5975-01-449-5442, 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 Eaton Aviation Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-01-449-5442
Primary Part Number8221-1
Item NameJunction Box
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEaton Aviation Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2925-00-497-515575010 INTERCHANGEABLE
Filter Asy Air Inta
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
7520-01-108-791011007 INTERCHANGEABLE
Pen,plastic Tip
Pilot Corporation of America
6620-01-223-599582211 INTERCHANGEABLE
Gage,pressure,dial Indicating
Maxima Technologies & Systems Llc Dba Maxima Technologies/steward-Warner
4820-01-355-2268524-6013 INTERCHANGEABLE
Seat,valve
Alta Robbins, Inc. Dba Alta Robbins Inc
5315-01-432-2148 INTERCHANGEABLE
Pin,straight,headed
5315-01-463-2208741297A00 INTERCHANGEABLE
Pin,straight,headed
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
1005-01-469-673582211 INTERCHANGEABLE
Adapter,rod,cleanin
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
8221-1 Eaton Aviation Corporation (USA)
8221-1 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
2925-00-497-5155INTERCHANGEABLE
FILTER ASY AIR INTA
75010
7520-01-108-7910INTERCHANGEABLE
PEN,PLASTIC TIP
11007
6620-01-223-5995INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
82211
4820-01-355-2268INTERCHANGEABLE
SEAT,VALVE
524-6013
5315-01-432-2148INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5315-01-463-2208INTERCHANGEABLE
PIN,STRAIGHT,HEADED
741297A00
1005-01-469-6735INTERCHANGEABLE
ADAPTER,ROD,CLEANIN
82211

Frequently Asked Questions

What is NSN 5975-01-449-5442?

NSN 5975-01-449-5442 is a Junction Box, manufactured by Eaton Aviation Corporation, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-449-5442?

NSN 5975-01-449-5442 has 2 cross-referenced part numbers: 8221-1 (Eaton Aviation Corporation), 8221-1 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 5975-01-449-5442?

There are 7 known substitutes for 5975-01-449-5442: 2925-00-497-5155, 7520-01-108-7910, 6620-01-223-5995 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8221-1?

Key specifications for 8221-1: End Item Identification: 1740-01-253-8064. 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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