PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45802O-Ring

Ronningen-Petter Co · NSN 5331-01-573-1821 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-573-1821 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-573-1821. Primary manufacturer part number: 45802.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Ronningen-Petter Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-573-1821, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ronningen-Petter Co. This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5331-01-573-1821
Primary Part Number45802
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRonningen-Petter Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4310-00-442-3354 INTERCHANGEABLE
Spindle,hose Reel
2520-01-149-1051CP58WB HWD INTERCHANGEABLE
Spider,universal Joint,vehicular
Meritor Heavy Vehicle Systems, Llc
5950-01-411-956945802 INTERCHANGEABLE
Transformer,radio Frequency
Vanguard Electronics, Llc
4820-01-413-889645802 INTERCHANGEABLE
Body,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
45802 Ronningen-Petter Co (USA)
862899 ITEM 27 Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN)
Related Parts
4310-00-442-3354INTERCHANGEABLE
SPINDLE,HOSE REEL
2520-01-149-1051INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
CP58WB HWD
5950-01-411-9569INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
45802
4820-01-413-8896INTERCHANGEABLE
BODY,VALVE
45802

Frequently Asked Questions

What is NSN 5331-01-573-1821?

NSN 5331-01-573-1821 is a O-Ring, manufactured by Ronningen-Petter Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-573-1821?

NSN 5331-01-573-1821 has 2 cross-referenced part numbers: 45802 (Ronningen-Petter Co), 862899 ITEM 27 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.).

What NSN replaces 5331-01-573-1821?

There are 4 known substitutes for 5331-01-573-1821: 4310-00-442-3354, 2520-01-149-1051, 5950-01-411-9569 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45802?

Key specifications for 45802: Special Features: END ITEM:STRAINER SELF CLEANING (862668). 1 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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