PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6311581Mounting Base,electrical Equipme

Naval Sea Systems Command · NSN 5975-01-412-7780 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-412-7780 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-412-7780. Primary manufacturer part number: 6311581.
Features
  • Mounting Base,electrical Equipme — FSC 5975
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mounting Base,electrical Equipme, cataloged under National Stock Number 5975-01-412-7780, 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 Naval Sea Systems Command. This item has 3 commercial cross-references from 2 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
NSN5975-01-412-7780
Primary Part Number6311581
Item NameMounting Base,electrical Equipme
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-293-0195 INTERCHANGEABLE
Key,socket Head Screw
3426-00-917-878613001010 INTERCHANGEABLE
Anode,plating
Sifco Applied Surface Concepts, Llc
1650-01-029-7889P60179-0030 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Dri Relays Inc. Dba Dri Relays Inc
4820-01-383-7014MS-4 INTERCHANGEABLE
Valve,check
Oasis Construction Div Supply Nurses
5330-01-474-4938MS-4 INTERCHANGEABLE
Seal,plain
Rexnord Industries, Llc Div Aerosspace Bearing Operation
Cross-Reference Index
Part NumberManufacturer
6311581 Naval Sea Systems Command (USA)
MS-4 Crydom Corp (USA)
521-6311581 ITEM NO 56 Naval Sea Systems Command (USA)
Related Parts
5120-00-293-0195INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3426-00-917-8786INTERCHANGEABLE
ANODE,PLATING
13001010
1650-01-029-7889INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
P60179-0030
4820-01-383-7014INTERCHANGEABLE
VALVE,CHECK
MS-4
5330-01-474-4938INTERCHANGEABLE
SEAL,PLAIN
MS-4

Frequently Asked Questions

What is NSN 5975-01-412-7780?

NSN 5975-01-412-7780 is a Mounting Base,electrical Equipme, manufactured by Naval Sea Systems Command, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-412-7780?

NSN 5975-01-412-7780 has 3 cross-referenced part numbers: 6311581 (Naval Sea Systems Command), MS-4 (Crydom Corp), 521-6311581 ITEM NO 56 (Naval Sea Systems Command).

What NSN replaces 5975-01-412-7780?

There are 5 known substitutes for 5975-01-412-7780: 5120-00-293-0195, 3426-00-917-8786, 1650-01-029-7889 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6311581?

Key specifications for 6311581: Special Features: OVERALL LENGTH IS 4.500; OVERALL WIDTH IS 3.500; ITEM REQUIRES 4 MOUNTING HOLES.. 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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