PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19193Washer,flat

Setra Systems, Inc. Dba Gems Sensors · NSN 5310-01-721-0243 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-721-0243 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-721-0243. Primary manufacturer part number: 19193.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Setra Systems, Inc. Dba Gems Sensors
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-721-0243, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersSetra Systems, Inc. Dba Gems Sensors (CAGE 04034)
Technical Specifications
ParameterValue
NSN5310-01-721-0243
Primary Part Number19193
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-437-0023I9193 INTERCHANGEABLE
Gasket
Vibratech Inc
5935-01-118-88857P-0791 INTERCHANGEABLE
Connector,plug,electrical
Caterpillar Inc Div Caterpillar Defense
5930-01-189-821246195 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
4330-01-249-842319-193 INTERCHANGEABLE
Filter Element,fluid
Kut Kwick Corp
5920-01-384-1973193 INTERCHANGEABLE
Fuse,cartridge
Wickmann Usa Inc
5305-01-720-977516551 INTERCHANGEABLE
Screw,machine
Setra Systems, Inc. Dba Gems Sensors
5305-01-721-025511196 INTERCHANGEABLE
Screw,machine
Setra Systems, Inc. Dba Gems Sensors
5310-01-721-026210927 INTERCHANGEABLE
Washer,lock
Setra Systems, Inc. Dba Gems Sensors
5905-01-722-286148563 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4820-01-730-7123261650 INTERCHANGEABLE
Stem,fluid Valve
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
19193 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
LS-46195 ITEM NO. 14 Setra Systems, Inc. Dba Gems Sensors (USA)
LS-46195 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
5330-00-437-0023INTERCHANGEABLE
GASKET
I9193
5935-01-118-8885INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7P-0791
5930-01-189-8212INTERCHANGEABLE
SWITCH,LIQUID LEVEL
46195
4330-01-249-8423INTERCHANGEABLE
FILTER ELEMENT,FLUID
19-193
5920-01-384-1973INTERCHANGEABLE
FUSE,CARTRIDGE
193
5305-01-720-9775INTERCHANGEABLE
SCREW,MACHINE
16551
5305-01-721-0255INTERCHANGEABLE
SCREW,MACHINE
11196
5310-01-721-0262INTERCHANGEABLE
WASHER,LOCK
10927
5905-01-722-2861INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
48563
4820-01-730-7123INTERCHANGEABLE
STEM,FLUID VALVE
261650
5930-01-732-7100INTERCHANGEABLE
SWITCH,LIQUID LEVEL
261651

Frequently Asked Questions

What is NSN 5310-01-721-0243?

NSN 5310-01-721-0243 is a Washer,flat, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-721-0243?

NSN 5310-01-721-0243 has 3 cross-referenced part numbers: 19193 (Setra Systems, Inc. Dba Gems Sensors), LS-46195 ITEM NO. 14 (Setra Systems, Inc. Dba Gems Sensors), LS-46195 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5310-01-721-0243?

There are 11 known substitutes for 5310-01-721-0243: 5330-00-437-0023, 5935-01-118-8885, 5930-01-189-8212 and 8 more. Verify interchangeability with system specifications before substitution.

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