PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50148O-Ring

Waterous Company · NSN 5331-00-594-5517 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-594-5517 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-594-5517. Primary manufacturer part number: 50148.
Features
  • O-Ring — FSC 5331
  • 5 verified cross-references
  • Primary manufacturer: Waterous Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-594-5517, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Waterous Company. This item has 5 commercial cross-references from 4 manufacturers, 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)
ManufacturersJohn Crane, Inc (CAGE 71724); Wartsila Lips Inc (CAGE 0SYN4); Defense Maritime Solutions, Inc. (CAGE 0EYA6); Waterous Company (CAGE 79218)
Technical Specifications
ParameterValue
NSN5331-00-594-5517
Primary Part Number50148
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWaterous Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-006-614945M155A1C20 INTERCHANGEABLE
Motor,hydraulic
Eaton Aerospace, Llc Dba Jackson South
5310-00-523-2003 INTERCHANGEABLE
Washer,flat
5330-00-641-2171 INTERCHANGEABLE
Seal,plain Encased
5930-00-945-0085269-2356-000 INTERCHANGEABLE
Switch Section,rotary
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6920-01-045-0563PS201 INTERCHANGEABLE
Pressure Measuring System
Validyne Engineering Corp Dba Validyne Engineering Corp
4820-01-271-015550148-08 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5930-01-339-8733 INTERCHANGEABLE
Switch,toggle
5340-01-708-122850148 INTERCHANGEABLE
Plunger,detent
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
100M-01062-01562-025 John Crane, Inc (USA)
100M-01062-01562-025 Wartsila Lips Inc (USA)
100M-01062-01562-025 Defense Maritime Solutions, Inc. (USA)
50148 PRIMARY Waterous Company (USA)
50148 John Crane, Inc (USA)
Related Parts
4320-00-006-6149INTERCHANGEABLE
MOTOR,HYDRAULIC
45M155A1C20
5310-00-523-2003INTERCHANGEABLE
WASHER,FLAT
5330-00-641-2171INTERCHANGEABLE
SEAL,PLAIN ENCASED
5930-00-945-0085INTERCHANGEABLE
SWITCH SECTION,ROTARY
269-2356-000
6920-01-045-0563INTERCHANGEABLE
PRESSURE MEASURING SYSTEM
PS201
4820-01-271-0155INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
50148-08
5930-01-339-8733INTERCHANGEABLE
SWITCH,TOGGLE
5340-01-708-1228INTERCHANGEABLE
PLUNGER,DETENT
50148

Frequently Asked Questions

What is NSN 5331-00-594-5517?

NSN 5331-00-594-5517 is a O-Ring, manufactured by Waterous Company, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-594-5517?

NSN 5331-00-594-5517 has 5 cross-referenced part numbers: 100M-01062-01562-025 (John Crane, Inc), 100M-01062-01562-025 (Wartsila Lips Inc), 100M-01062-01562-025 (Defense Maritime Solutions, Inc.), 50148 (Waterous Company), 50148 (John Crane, Inc).

What NSN replaces 5331-00-594-5517?

There are 8 known substitutes for 5331-00-594-5517: 4320-00-006-6149, 5310-00-523-2003, 5330-00-641-2171 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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