PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2048430-18O-Ring

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5331-00-634-9394 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-634-9394 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-634-9394. Primary manufacturer part number: 2048430-18.
Features
  • O-Ring — FSC 5331
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Center Hole Diameter: 1.051 INCHES NOMINAL IN
  • Elongation Percentage: 160 MAXIMUM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • 11 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-634-9394, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-634-9394
Primary Part Number2048430-18
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Cross-Sectional Height0.070 INCHES NOMINAL IN
Center Hole Diameter1.051 INCHES NOMINAL IN
Elongation Percentage160 MAXIMUM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5331-00-727-2637080-04273-39 INTERCHANGEABLE
O-Ring
Moog Inc
5845-01-126-250920427-01 INTERCHANGEABLE
Matrix,sonar
Industrial Electronic Engineers, Inc.
1620-01-221-2630 INTERCHANGEABLE
Arm Assembly,drag S
5330-01-241-1929 INTERCHANGEABLE
Packing,preformed
5998-01-282-5323 INTERCHANGEABLE
Circuit Card Assembly
5945-01-304-3251225-0223 INTERCHANGEABLE
Solenoid,electrical
M K Products Inc
5325-01-581-5858856823 INTERCHANGEABLE
Ring,retaining
Brunswick Corp Mercury Marine Div Government Sales
Cross-Reference Index
Part NumberManufacturer
V3D10059PC13 Vacco Industries (USA)
22502-23 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
2-023 N1000-70 Zf Industrieantriebe Witten Gmbh (DEU)
J200A23 Marotta Controls Inc (USA)
204-274 Aerocontrolex Group, Inc. (USA)
2048430-18 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
4400173-0230 Marotta Controls Inc (USA)
PRP914-11-711-70 Parker Hannifin Corporation Div O-Ring Division (USA)
5331PL1279780 Jednolity Indeks Materialowy - Uniform Material Index (POL)
856823 Zf Industrieantriebe Witten Gmbh (DEU)
PD5330-217-19 General Stores Supply Office (USA)
Related Parts
5331-00-727-2637INTERCHANGEABLE
O-RING
080-04273-39
5845-01-126-2509INTERCHANGEABLE
MATRIX,SONAR
20427-01
1620-01-221-2630INTERCHANGEABLE
ARM ASSEMBLY,DRAG S
5330-01-241-1929INTERCHANGEABLE
PACKING,PREFORMED
5998-01-282-5323INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5945-01-304-3251INTERCHANGEABLE
SOLENOID,ELECTRICAL
225-0223
5325-01-581-5858INTERCHANGEABLE
RING,RETAINING
856823

Frequently Asked Questions

What is NSN 5331-00-634-9394?

NSN 5331-00-634-9394 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-634-9394?

NSN 5331-00-634-9394 has 11 cross-referenced part numbers: V3D10059PC13 (Vacco Industries), 22502-23 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 2-023 N1000-70 (Zf Industrieantriebe Witten Gmbh), J200A23 (Marotta Controls Inc), 204-274 (Aerocontrolex Group, Inc.) and 6 more.

What NSN replaces 5331-00-634-9394?

There are 7 known substitutes for 5331-00-634-9394: 5331-00-727-2637, 5845-01-126-2509, 1620-01-221-2630 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2048430-18?

Key specifications for 2048430-18: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Center Hole Diameter: 1.051 INCHES NOMINAL IN; Elongation Percentage: 160 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-634-9394 still in active supply?

NSN 5331-00-634-9394 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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