PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4X622Switch,lock,ignition

Bath Iron Works Corporation · NSN 2920-00-237-7724 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-237-7724 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-237-7724. Primary manufacturer part number: 4X622.
Features
  • Switch,lock,ignition — FSC 2920
  • Body Diameter: 1.750 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Hazardous Locations/environmental Protection: DUSTPROOF
  • Body Length: 1.375 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Bath Iron Works Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,lock,ignition, cataloged under National Stock Number 2920-00-237-7724, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Bath Iron Works Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-237-7724
Primary Part Number4X622
Item NameSwitch,lock,ignition
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerBath Iron Works Corporation
StatusCANCELLED
Body Diameter1.750 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Hazardous Locations/environmental ProtectionDUSTPROOF
Body Length1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3110-00-100-313913321 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Schramm, Inc.
6625-00-113-6079B518 INTERCHANGEABLE
Test Set,electrical Power
Lockheed Martin Corp
5310-01-202-961823865 PIECE 9 3/4IN INTERCHANGEABLE
Nut,yoke,gate Valve
Velan Valve Corp.
4820-01-202-970823865 PIECE 2 3/4IN INTERCHANGEABLE
Cap,valve
Velan Valve Corp.
5310-01-274-439723865 INTERCHANGEABLE
Washer,spring Tension
Hein Werner Corp
5975-01-485-3314B518 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
4X622 PRIMARY Bath Iron Works Corporation (USA)
P20275 Renk America Llc Div Renk America (USA)
250793 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
23865 Renk America Llc Div Renk America (USA)
250793 Hercules Engine Co Inc (USA)
P20-275 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
B518 Scott Huber Essick a Co of Figgie International Inc (USA)
P20-275 Jaeger Machine Co (USA)
Related Parts
3110-00-100-3139INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
13321
6625-00-113-6079INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
B518
5310-01-202-9618INTERCHANGEABLE
NUT,YOKE,GATE VALVE
23865 PIECE 9 3/4IN
4820-01-202-9708INTERCHANGEABLE
CAP,VALVE
23865 PIECE 2 3/4IN
5310-01-274-4397INTERCHANGEABLE
WASHER,SPRING TENSION
23865
5975-01-485-3314INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
B518

Frequently Asked Questions

What is NSN 2920-00-237-7724?

NSN 2920-00-237-7724 is a Switch,lock,ignition, manufactured by Bath Iron Works Corporation, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-237-7724?

NSN 2920-00-237-7724 has 8 cross-referenced part numbers: 4X622 (Bath Iron Works Corporation), P20275 (Renk America Llc Div Renk America), 250793 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 23865 (Renk America Llc Div Renk America), 250793 (Hercules Engine Co Inc) and 3 more.

What NSN replaces 2920-00-237-7724?

There are 6 known substitutes for 2920-00-237-7724: 3110-00-100-3139, 6625-00-113-6079, 5310-01-202-9618 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4X622?

Key specifications for 4X622: Body Diameter: 1.750 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Hazardous Locations/environmental Protection: DUSTPROOF; Body Length: 1.375 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-237-7724 still in active supply?

NSN 2920-00-237-7724 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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