PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820214PO-Ring

Aqualung Usa, Inc · NSN 5331-00-776-7031 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-776-7031 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-776-7031. Primary manufacturer part number: 820214P.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER
  • Center Hole Diameter: 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Aqualung Usa, Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-776-7031, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Aqualung Usa, Inc. Government technical data includes 3 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-776-7031
Primary Part Number820214P
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAqualung Usa, Inc
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER
Center Hole Diameter0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-951-1890 INTERCHANGEABLE
O-Ring
2530-01-062-3831820214 INTERCHANGEABLE
Brake Shoe
Dana Commercial Vehicle Products, Llc
5331-01-176-79158201-20 INTERCHANGEABLE
O-Ring
Aqualung Usa, Inc
5310-01-614-0357820214 INTERCHANGEABLE
Nut,self-Locking,round
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
820214P PRIMARY Aqualung Usa, Inc (USA)
8202-14 Aqualung Usa, Inc (USA)
Related Parts
5331-00-951-1890INTERCHANGEABLE
O-RING
2530-01-062-3831INTERCHANGEABLE
BRAKE SHOE
820214
5331-01-176-7915INTERCHANGEABLE
O-RING
8201-20
5310-01-614-0357INTERCHANGEABLE
NUT,SELF-LOCKING,ROUND
820214

Frequently Asked Questions

What is NSN 5331-00-776-7031?

NSN 5331-00-776-7031 is a O-Ring, manufactured by Aqualung Usa, Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-776-7031?

NSN 5331-00-776-7031 has 2 cross-referenced part numbers: 820214P (Aqualung Usa, Inc), 8202-14 (Aqualung Usa, Inc).

What NSN replaces 5331-00-776-7031?

There are 4 known substitutes for 5331-00-776-7031: 5331-00-951-1890, 2530-01-062-3831, 5331-01-176-7915 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 820214P?

Key specifications for 820214P: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER; Special Features: INSPECT IN ACCORDANCE W/MIL-M-19595; Center Hole Diameter: 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN. 4 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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