PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20551-1Mounting Base,electrical Equipme

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5975-00-070-1808 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-070-1808 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-070-1808. Primary manufacturer part number: 20551-1.
Features
  • Mounting Base,electrical Equipme — FSC 5975
  • Style Designator: TRAY TYPE
  • Center to Center Distance Between Mounting Holes Along Width: 3.688 INCHES NOMINAL IN
  • FSC Application Data: ROLLER MAP SYSTEM,NAVIGATIONALAIRCRAFT
  • Vibration Mount Type: CUP
  • Material: ALUMINUM ALLOY 6061
  • Mounting Provision: UNTHREADED HOLE
  • Center to Center Distance Between Mounting Holes Along Depth: 8.250 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Mounting Base,electrical Equipme, cataloged under National Stock Number 5975-00-070-1808, 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 Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5975-00-070-1808
Primary Part Number20551-1
Item NameMounting Base,electrical Equipme
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusACTIVE
Style DesignatorTRAY TYPE
Center to Center Distance Between Mounting Holes Along Width3.688 INCHES NOMINAL IN
FSC Application DataROLLER MAP SYSTEM,NAVIGATIONALAIRCRAFT
Vibration Mount TypeCUP
MaterialALUMINUM ALLOY 6061
Mounting ProvisionUNTHREADED HOLE
Center to Center Distance Between Mounting Holes Along Depth8.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3830-01-129-8717205511 INTERCHANGEABLE
Flap,pub
Allianz Sweeper Company
4820-01-311-39257080-5 INTERCHANGEABLE
Valve,check
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
5340-01-376-1854205511 INTERCHANGEABLE
Buckle
Heckler & Koch, Inc.
2590-01-532-225740167 INTERCHANGEABLE
Bar,rescue
Summit Tool Company
4720-01-616-6518205511 INTERCHANGEABLE
Hose Assembly,nonmetallic
West Side Tractor Sales Co
1630-01-685-628240-169 INTERCHANGEABLE
Wheel Assembly,aircraft
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
Cross-Reference Index
Part NumberManufacturer
20551-1 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
20551-1A PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
40169 Mandzak Instrumentation Specialists Inc (USA)
Related Parts
3830-01-129-8717INTERCHANGEABLE
FLAP,PUB
205511
4820-01-311-3925INTERCHANGEABLE
VALVE,CHECK
7080-5
5340-01-376-1854INTERCHANGEABLE
BUCKLE
205511
2590-01-532-2257INTERCHANGEABLE
BAR,RESCUE
40167
4720-01-616-6518INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
205511
1630-01-685-6282INTERCHANGEABLE
WHEEL ASSEMBLY,AIRCRAFT
40-169

Frequently Asked Questions

What is NSN 5975-00-070-1808?

NSN 5975-00-070-1808 is a Mounting Base,electrical Equipme, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-070-1808?

NSN 5975-00-070-1808 has 3 cross-referenced part numbers: 20551-1 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 20551-1A (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 40169 (Mandzak Instrumentation Specialists Inc).

What NSN replaces 5975-00-070-1808?

There are 6 known substitutes for 5975-00-070-1808: 3830-01-129-8717, 4820-01-311-3925, 5340-01-376-1854 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20551-1?

Key specifications for 20551-1: Overall Depth: 14.344 INCHES MINIMUM AND 14.406 INCHES MAXIMUM IN; Style Designator: TRAY TYPE; Center to Center Distance Between Mounting Holes Along Width: 3.688 INCHES NOMINAL IN; Overall Width: 5.469 INCHES MINIMUM AND 5.531 INCHES MAXIMUM IN. 9 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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