PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-333-1Tube,core,transfer Switch

Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated · NSN 5950-00-067-2174 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-067-2174 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-067-2174. Primary manufacturer part number: 12-333-1.
Features
  • Tube,core,transfer Switch — FSC 5950
  • General Characteristics Item Description: BRASS,2.281 IN LG,L.250 IN OD OF BODY,1.188 IN ID OF BODY,FLNAGE ON ONE END WITH 1.500 IN DIA,ONE LONGITUDINAL SLOT CENTERED ON LENGTH 2.750 IN LG.AND 0.062 IN W IN
  • 4 verified cross-references
  • Primary manufacturer: Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Tube,core,transfer Switch, cataloged under National Stock Number 5950-00-067-2174, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-067-2174
Primary Part Number12-333-1
Item NameTube,core,transfer Switch
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAsco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
StatusACTIVE
General Characteristics Item DescriptionBRASS,2.281 IN LG,L.250 IN OD OF BODY,1.188 IN ID OF BODY,FLNAGE ON ONE END WITH 1.500 IN DIA,ONE LONGITUDINAL SLOT CENTERED ON LENGTH 2.750 IN LG.AND 0.062 IN W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-032-83451233-3 INTERCHANGEABLE
Elbow,pressure Line
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5930-00-070-18763001-7-09 INTERCHANGEABLE
Switch,thermostatic
Honeywell International Inc. Dba Honeywell Div Sensing and Control
6210-00-115-1757 INTERCHANGEABLE
Light,indicator
5133-00-228-1393 INTERCHANGEABLE
Drill,twist
6210-00-435-9325 INTERCHANGEABLE
Light,indicator
5120-00-529-147512333 INTERCHANGEABLE
Key Set,socket Head Screw
Bondhus Corp
7310-00-576-461330322 INTERCHANGEABLE
Pan,steam Table
The Vollrath Company, L.l.c. Div Vollrath
5990-00-578-7452R1011-1A INTERCHANGEABLE
Synchro,transmitter
Kearfott Corporation Div Guidance and Navigation Division
2815-00-908-728841151472 INTERCHANGEABLE
Rocker Arm Assembly,engine Poppe
Perkins Engines Inc
6150-00-989-7860REDAR314-3 INTERCHANGEABLE
Cable Assembly,special Purpose,e
R.e. Darling Co., Inc.
Cross-Reference Index
Part NumberManufacturer
12-333-1 PRIMARY Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA)
12-333 Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA)
12-333-1 Automatic Switch Company Dba Asco (USA)
12-333 Automatic Switch Company Dba Asco (USA)
Related Parts
4730-00-032-8345INTERCHANGEABLE
ELBOW,PRESSURE LINE
1233-3
5930-00-070-1876INTERCHANGEABLE
SWITCH,THERMOSTATIC
3001-7-09
6210-00-115-1757INTERCHANGEABLE
LIGHT,INDICATOR
5133-00-228-1393INTERCHANGEABLE
DRILL,TWIST
6210-00-435-9325INTERCHANGEABLE
LIGHT,INDICATOR
5120-00-529-1475INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
12333
7310-00-576-4613INTERCHANGEABLE
PAN,STEAM TABLE
30322
5990-00-578-7452INTERCHANGEABLE
SYNCHRO,TRANSMITTER
R1011-1A
2815-00-908-7288INTERCHANGEABLE
ROCKER ARM ASSEMBLY,ENGINE POPPE
41151472
6150-00-989-7860INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
REDAR314-3
5360-01-138-3204INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12333
2920-01-168-4131INTERCHANGEABLE
PARTS KIT,GENERATOR
12-333

Frequently Asked Questions

What is NSN 5950-00-067-2174?

NSN 5950-00-067-2174 is a Tube,core,transfer Switch, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-067-2174?

NSN 5950-00-067-2174 has 4 cross-referenced part numbers: 12-333-1 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated), 12-333 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated), 12-333-1 (Automatic Switch Company Dba Asco), 12-333 (Automatic Switch Company Dba Asco).

What NSN replaces 5950-00-067-2174?

There are 12 known substitutes for 5950-00-067-2174: 4730-00-032-8345, 5930-00-070-1876, 6210-00-115-1757 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-333-1?

Key specifications for 12-333-1: General Characteristics Item Description: BRASS,2.281 IN LG,L.250 IN OD OF BODY,1.188 IN ID OF BODY,FLNAGE ON ONE END WITH 1.500 IN DIA,ONE LONGITUDINAL SLOT CENTERED ON LENGTH 2.750 IN LG.AND 0.062 IN W IN. 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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