PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D50-0020 ITEM 14O-Ring

Danco Valve Company · NSN 5331-01-606-0804 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-606-0804 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-606-0804. Primary manufacturer part number: D50-0020 ITEM 14.
Features
  • O-Ring — FSC 5331
  • 5 verified cross-references
  • Primary manufacturer: Danco Valve Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-606-0804, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Danco Valve Company. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersDanco Valve Company (CAGE 65079); Society of Automotive Engineers Inc (CAGE 81343); Dante Valve Company (CAGE 5P967); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Sae International Dba Sae International (CAGE 0U583)
Technical Specifications
ParameterValue
NSN5331-01-606-0804
Primary Part NumberD50-0020 ITEM 14
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDanco Valve Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5331-00-166-1110 INTERCHANGEABLE
O-Ring
5331-01-043-1905AS3581-386 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-081-9806MS28775-041 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-105-9153AS3581-115 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-255-0146AS3581-447 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-603-5455AS3581-042 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-606-0801 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
D50-0020 ITEM 14 Danco Valve Company (USA)
SAE-AMS 7259 Society of Automotive Engineers Inc (USA)
D50-0020 ITEM 14 Dante Valve Company (USA)
M83248/2-042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SAE-AMS 7259 Sae International Dba Sae International (USA)
Related Parts
5331-00-166-1110INTERCHANGEABLE
O-RING
5331-01-043-1905INTERCHANGEABLE
O-RING
AS3581-386
5331-01-081-9806INTERCHANGEABLE
O-RING
MS28775-041
5331-01-105-9153INTERCHANGEABLE
O-RING
AS3581-115
5331-01-255-0146INTERCHANGEABLE
O-RING
AS3581-447
5331-01-603-5455INTERCHANGEABLE
O-RING
AS3581-042
5331-01-606-0801INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-606-0804?

NSN 5331-01-606-0804 is a O-Ring, manufactured by Danco Valve Company, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-606-0804?

NSN 5331-01-606-0804 has 5 cross-referenced part numbers: D50-0020 ITEM 14 (Danco Valve Company), SAE-AMS 7259 (Society of Automotive Engineers Inc), D50-0020 ITEM 14 (Dante Valve Company), M83248/2-042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SAE-AMS 7259 (Sae International Dba Sae International).

What NSN replaces 5331-01-606-0804?

There are 7 known substitutes for 5331-01-606-0804: 5331-00-166-1110, 5331-01-043-1905, 5331-01-081-9806 and 4 more. Verify interchangeability with system specifications before substitution.

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