PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10820O-Ring

Middleby Marshall Inc Conveyor Ovens and Mixers Div · NSN 5331-00-438-8649 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-438-8649 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-438-8649. Primary manufacturer part number: 10820.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.168 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Middleby Marshall Inc Conveyor Ovens and Mixers Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-438-8649, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Middleby Marshall Inc Conveyor Ovens and Mixers Div. Government technical data includes 3 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-438-8649
Primary Part Number10820
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMiddleby Marshall Inc Conveyor Ovens and Mixers Div
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter1.168 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-189-603429894 INTERCHANGEABLE
Conduit,metal,flexible
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-00-222-245486240 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
2930-00-384-846765452 INTERCHANGEABLE
Radiator,engine Coolant
Young Touchstone Company Div Young Touchstone
1660-00-460-135210820 INTERCHANGEABLE
Bellows,pressure
Electro-Tec Corp Dba Moog Inc., Components Group
4130-01-065-1942 INTERCHANGEABLE
Coil,evaporator
4320-01-129-1754933676 INTERCHANGEABLE
Stage Piece Assembly
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5950-01-143-181810/820 INTERCHANGEABLE
Coil,radio Frequency
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
5340-01-268-8700 INTERCHANGEABLE
Bracket,double Angle
5950-01-399-4504322-920065-000 INTERCHANGEABLE
Transformer,radio Frequency
Cmc Electronics Inc
3110-01-503-169310820 INTERCHANGEABLE
Bearing,ball,annular
Climax Portable Machine Tools, Inc
Cross-Reference Index
Part NumberManufacturer
10820 PRIMARY Middleby Marshall Inc Conveyor Ovens and Mixers Div (USA)
Related Parts
5975-00-189-6034INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
29894
5330-00-222-2454INTERCHANGEABLE
SEAL,PLAIN ENCASED
86240
2930-00-384-8467INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
65452
1660-00-460-1352INTERCHANGEABLE
BELLOWS,PRESSURE
10820
4130-01-065-1942INTERCHANGEABLE
COIL,EVAPORATOR
4320-01-129-1754INTERCHANGEABLE
STAGE PIECE ASSEMBLY
933676
5950-01-143-1818INTERCHANGEABLE
COIL,RADIO FREQUENCY
10/820
5340-01-268-8700INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
5950-01-399-4504INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
322-920065-000
3110-01-503-1693INTERCHANGEABLE
BEARING,BALL,ANNULAR
10820
1010-01-532-1207INTERCHANGEABLE
PARTS KIT,GUN
10820
6515-01-533-7797INTERCHANGEABLE
ELECTROSURGICAL APPARATUS

Frequently Asked Questions

What is NSN 5331-00-438-8649?

NSN 5331-00-438-8649 is a O-Ring, manufactured by Middleby Marshall Inc Conveyor Ovens and Mixers Div, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-438-8649?

NSN 5331-00-438-8649 has 1 cross-referenced part number: 10820 (Middleby Marshall Inc Conveyor Ovens and Mixers Div).

What NSN replaces 5331-00-438-8649?

There are 12 known substitutes for 5331-00-438-8649: 5975-00-189-6034, 5330-00-222-2454, 2930-00-384-8467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10820?

Key specifications for 10820: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 1.168 INCHES MINIMUM AND 1.180 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.
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