PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8435O-Ring

Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton · NSN 5331-00-780-3942 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-780-3942 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-780-3942. Primary manufacturer part number: 8435.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton
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 5331-00-780-3942, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-780-3942
Primary Part Number8435
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSyltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
5305-00-147-65220419 INTERCHANGEABLE
Screw,machine
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-171-2865718100 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5315-00-187-3243MS24692-57 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3030-00-230-357215435 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
2930-00-407-06018435 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5340-00-476-51588435 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3110-00-529-914040419 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5905-00-561-2644 INTERCHANGEABLE
Spool Resistant
5930-00-581-784040419 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
8435 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
40419 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
Related Parts
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-00-147-6522INTERCHANGEABLE
SCREW,MACHINE
0419
5330-00-171-2865INTERCHANGEABLE
GASKET
718100
5315-00-187-3243INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-57
3030-00-230-3572INTERCHANGEABLE
BELT,V
15435
2930-00-407-0601INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8435
5340-00-476-5158INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8435
3110-00-529-9140INTERCHANGEABLE
BEARING,BALL,ANNULAR
40419
5905-00-561-2644INTERCHANGEABLE
SPOOL RESISTANT
5930-00-581-7840INTERCHANGEABLE
SWITCH,FLOW
40419
5960-00-783-5696INTERCHANGEABLE
ELECTRON TUBE
4820-01-048-9527INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM

Frequently Asked Questions

What is NSN 5331-00-780-3942?

NSN 5331-00-780-3942 is a O-Ring, manufactured by Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-780-3942?

NSN 5331-00-780-3942 has 2 cross-referenced part numbers: 8435 (Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton), 40419 (Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton).

What NSN replaces 5331-00-780-3942?

There are 12 known substitutes for 5331-00-780-3942: 3110-00-144-8589, 5305-00-147-6522, 5330-00-171-2865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8435?

Key specifications for 8435: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 2 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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