PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18807O-Ring

Lear Siegler Inc Sherwood Div · NSN 5331-01-458-3066 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-458-3066 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-458-3066. Primary manufacturer part number: 18807.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Lear Siegler Inc Sherwood Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-458-3066, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersLear Siegler Inc Sherwood Div (CAGE 54641)
Technical Specifications
ParameterValue
NSN5331-01-458-3066
Primary Part Number18807
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-902-0839 INTERCHANGEABLE
Transformer,radio Frequency
5950-01-058-973338515-4 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
6130-01-299-6849 INTERCHANGEABLE
Power Supply
5930-01-501-8102 INTERCHANGEABLE
Switch,pull
Cross-Reference Index
Part NumberManufacturer
18807 Lear Siegler Inc Sherwood Div (USA)
Related Parts
5950-00-902-0839INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5950-01-058-9733INTERCHANGEABLE
REACTOR
38515-4
6130-01-299-6849INTERCHANGEABLE
POWER SUPPLY
5930-01-501-8102INTERCHANGEABLE
SWITCH,PULL

Frequently Asked Questions

What is NSN 5331-01-458-3066?

NSN 5331-01-458-3066 is a O-Ring, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-458-3066?

NSN 5331-01-458-3066 has 1 cross-referenced part number: 18807 (Lear Siegler Inc Sherwood Div).

What NSN replaces 5331-01-458-3066?

There are 4 known substitutes for 5331-01-458-3066: 5950-00-902-0839, 5950-01-058-9733, 6130-01-299-6849 and 1 more. Verify interchangeability with system specifications before substitution.

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