PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4253O-Ring

Aquafine Corporation · NSN 5331-01-558-8262 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-558-8262 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-558-8262. Primary manufacturer part number: 4253.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • 1 verified cross-reference
  • Primary manufacturer: Aquafine Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-558-8262, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Aquafine Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-558-8262
Primary Part Number4253
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAquafine Corporation
StatusACTIVE
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5905-00-173-66822T219TVIT2950HMT75T95T125 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
5910-00-375-0363 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
6740-00-677-2343 INTERCHANGEABLE
Glass
5305-00-941-3618MS51095-303 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5910-01-084-56844253 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Crown Audio, Inc. Dba Crown International
4730-01-105-96114-2-.5-3 INTERCHANGEABLE
Restrictor,fluid Flow
Emerson Electric Co Alco Controls Div
7050-01-481-23574253 INTERCHANGEABLE
Converter,digital to Analog
Pentek, Incorporated
Cross-Reference Index
Part NumberManufacturer
4253 Aquafine Corporation (USA)
Related Parts
5905-00-173-6682INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2T219TVIT2950HMT75T95T125
5910-00-375-0363INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
6740-00-677-2343INTERCHANGEABLE
GLASS
5305-00-941-3618INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS51095-303
5910-01-084-5684INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4253
4730-01-105-9611INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
4-2-.5-3
7050-01-481-2357INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
4253

Frequently Asked Questions

What is NSN 5331-01-558-8262?

NSN 5331-01-558-8262 is a O-Ring, manufactured by Aquafine Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-558-8262?

NSN 5331-01-558-8262 has 1 cross-referenced part number: 4253 (Aquafine Corporation).

What NSN replaces 5331-01-558-8262?

There are 7 known substitutes for 5331-01-558-8262: 5905-00-173-6682, 5910-00-375-0363, 6740-00-677-2343 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4253?

Key specifications for 4253: Part Name Assigned by Controlling Agency: O-RING; Special Features: FOR ALL SL MODELS; Material: RUBBER; End Item Identification: WATER TREATMENT EQUIPMENT. 4 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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