PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1642766O-Ring

Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc · NSN 5331-01-570-8463 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-570-8463 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-570-8463. Primary manufacturer part number: 1642766.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.500 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-570-8463, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-570-8463
Primary Part Number1642766
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCrysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
StatusACTIVE
Center Hole Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-847-5083 INTERCHANGEABLE
Transformer,radio Frequency
5950-00-903-618936601 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
Cross-Reference Index
Part NumberManufacturer
400254 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
1642766 PRIMARY Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
Related Parts
5950-00-847-5083INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5950-00-903-6189INTERCHANGEABLE
TRANSFORMER,POWER
36601

Frequently Asked Questions

What is NSN 5331-01-570-8463?

NSN 5331-01-570-8463 is a O-Ring, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-570-8463?

NSN 5331-01-570-8463 has 2 cross-referenced part numbers: 400254 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), 1642766 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).

What NSN replaces 5331-01-570-8463?

There are 2 known substitutes for 5331-01-570-8463: 5950-00-847-5083, 5950-00-903-6189. Verify interchangeability with system specifications before substitution.

What are the specifications of 1642766?

Key specifications for 1642766: Part Name Assigned by Controlling Agency: O-RING 4; Special Features: .275 CS; Center Hole Diameter: 0.500 INCHES NOMINAL IN; End Item Identification: 2320-01-522-1859 TRUCK, DUMP. 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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