PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RA12872-19O-Ring

Jonal Laboratories Inc · NSN 5331-01-043-5824 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-043-5824 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-043-5824. Primary manufacturer part number: RA12872-19.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q
  • Center Hole Diameter: 0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Jonal Laboratories Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-043-5824, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Jonal Laboratories Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5331-01-043-5824
Primary Part NumberRA12872-19
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerJonal Laboratories Inc
StatusACTIVE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q
Center Hole Diameter0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4510-00-142-2600R7342 INTERCHANGEABLE
Tailpiece,waste Drain
Sanitary-Dash Mfg Co Inc
3120-00-363-9622 INTERCHANGEABLE
Bearing,sleeve
4140-00-569-40961049545 INTERCHANGEABLE
Impeller,fan,centrifugal
Chrysler Realty Company Llc Dba Daimler Chrysler
5995-01-082-6214BE27451 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Haldex Brake Products Corporation
3020-01-180-07576-2-35 INTERCHANGEABLE
Pulley,groove
Stein Inc
6515-01-560-91378000-0655 INTERCHANGEABLE
Hose Assembly,blood Pressure Mon
Zoll Medical Corporation Dba Zoll
5305-01-684-9850 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
RA12872-19 PRIMARY Jonal Laboratories Inc (USA)
581R130H19 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
6235 Jonal Laboratories Inc (USA)
Related Parts
4510-00-142-2600INTERCHANGEABLE
TAILPIECE,WASTE DRAIN
R7342
3120-00-363-9622INTERCHANGEABLE
BEARING,SLEEVE
4140-00-569-4096INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
1049545
5995-01-082-6214INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
BE27451
3020-01-180-0757INTERCHANGEABLE
PULLEY,GROOVE
6-2-35
6515-01-560-9137INTERCHANGEABLE
HOSE ASSEMBLY,BLOOD PRESSURE MON
8000-0655
5305-01-684-9850INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5331-01-043-5824?

NSN 5331-01-043-5824 is a O-Ring, manufactured by Jonal Laboratories Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-043-5824?

NSN 5331-01-043-5824 has 3 cross-referenced part numbers: RA12872-19 (Jonal Laboratories Inc), 581R130H19 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6235 (Jonal Laboratories Inc).

What NSN replaces 5331-01-043-5824?

There are 7 known substitutes for 5331-01-043-5824: 4510-00-142-2600, 3120-00-363-9622, 4140-00-569-4096 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RA12872-19?

Key specifications for RA12872-19: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q; Center Hole Diameter: 0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com