PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8712 FIND NO.21O-Ring

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 5331-01-546-8246 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-546-8246 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-546-8246. Primary manufacturer part number: 8712 FIND NO.21.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Criticality Code Justification: ZZZY
  • Material Document and Classification: MIL-R-83248 TYPE 1,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
  • 4 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-546-8246, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-546-8246
Primary Part Number8712 FIND NO.21
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Center Hole Diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
MaterialRUBBER FLUOROCARBON CLASS FPM
Criticality Code JustificationZZZY
Material Document and ClassificationMIL-R-83248 TYPE 1,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-269-373706689904366 INTERCHANGEABLE
O-Ring
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
8712 FIND NO.21 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8712 FIND NO.21CP Naval Inventory Control Point Mechanicsburg (USA)
A6689.904.366 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A6689.904.366CP Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5331-01-269-3737INTERCHANGEABLE
O-RING
06689904366

Frequently Asked Questions

What is NSN 5331-01-546-8246?

NSN 5331-01-546-8246 is a O-Ring, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-546-8246?

NSN 5331-01-546-8246 has 4 cross-referenced part numbers: 8712 FIND NO.21 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8712 FIND NO.21CP (Naval Inventory Control Point Mechanicsburg), A6689.904.366 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A6689.904.366CP (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5331-01-546-8246?

There is 1 known substitute for 5331-01-546-8246: 5331-01-269-3737. Verify interchangeability with system specifications before substitution.

What are the specifications of 8712 FIND NO.21?

Key specifications for 8712 FIND NO.21: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Material: RUBBER FLUOROCARBON CLASS FPM. 7 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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