PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19303O-Ring

Alco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div · NSN 5331-01-182-5511 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-182-5511 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-182-5511. Primary manufacturer part number: 19303.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Alco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-182-5511, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Alco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersAlco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div (CAGE 92435)
Technical Specifications
ParameterValue
NSN5331-01-182-5511
Primary Part Number19303
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAlco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-177-43566K-0613 INTERCHANGEABLE
Terminal,quick Disconnect
Caterpillar Inc Div Caterpillar Defense
5950-00-767-9015SM-A-569456-102 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-00-823-3227 INTERCHANGEABLE
Cap,electrical
6520-01-290-369917286 INTERCHANGEABLE
Drill,endodontic
Kerr Corporation
6680-01-360-1389 INTERCHANGEABLE
Switch,liquid Level
5340-01-360-7807PWA53826-4 INTERCHANGEABLE
Leg,case
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6550-01-362-5322R19303 INTERCHANGEABLE
Bacteria Culture Control Discs
Remel Inc.
6260-01-527-05021930.3 INTERCHANGEABLE
Searchlight
Acr Electronics, Inc. Dba Acr Electronics Inc
Cross-Reference Index
Part NumberManufacturer
19303 Alco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div (USA)
Related Parts
5940-00-177-4356INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
6K-0613
5950-00-767-9015INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-A-569456-102
5999-00-823-3227INTERCHANGEABLE
CAP,ELECTRICAL
6520-01-290-3699INTERCHANGEABLE
DRILL,ENDODONTIC
17286
6680-01-360-1389INTERCHANGEABLE
SWITCH,LIQUID LEVEL
5340-01-360-7807INTERCHANGEABLE
LEG,CASE
PWA53826-4
6550-01-362-5322INTERCHANGEABLE
BACTERIA CULTURE CONTROL DISCS
R19303
6260-01-527-0502INTERCHANGEABLE
SEARCHLIGHT
1930.3

Frequently Asked Questions

What is NSN 5331-01-182-5511?

NSN 5331-01-182-5511 is a O-Ring, manufactured by Alco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-182-5511?

NSN 5331-01-182-5511 has 1 cross-referenced part number: 19303 (Alco Standard Corp Alco Food Service Equipment Co Alco Dispensing Systems Div).

What NSN replaces 5331-01-182-5511?

There are 8 known substitutes for 5331-01-182-5511: 5940-00-177-4356, 5950-00-767-9015, 5999-00-823-3227 and 5 more. Verify interchangeability with system specifications before substitution.

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