PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SKB-1965 ITEM X758O-Ring

Coffin Turbo Pump Inc · NSN 5331-01-416-6600 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-416-6600 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-416-6600. Primary manufacturer part number: SKB-1965 ITEM X758.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-416-6600, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCoffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
ParameterValue
NSN5331-01-416-6600
Primary Part NumberSKB-1965 ITEM X758
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1650-00-083-405219889 INTERCHANGEABLE
Retainer,cap
Mid-America Aerotech, Llc
4820-00-883-8805 INTERCHANGEABLE
Valve,flow Control
5360-01-051-056319889 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6685-01-068-421119889 INTERCHANGEABLE
Calibrator,thermometer
Electro Optical Industries Inc
5305-01-149-193512759-00118 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
SKB-1965 ITEM X758 PRIMARY Coffin Turbo Pump Inc (USA)
19889 Coffin Turbo Pump Inc (USA)
Related Parts
1650-00-083-4052INTERCHANGEABLE
RETAINER,CAP
19889
4820-00-883-8805INTERCHANGEABLE
VALVE,FLOW CONTROL
5360-01-051-0563INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
19889
6685-01-068-4211INTERCHANGEABLE
CALIBRATOR,THERMOMETER
19889
5305-01-149-1935INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12759-00118

Frequently Asked Questions

What is NSN 5331-01-416-6600?

NSN 5331-01-416-6600 is a O-Ring, manufactured by Coffin Turbo Pump Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-416-6600?

NSN 5331-01-416-6600 has 2 cross-referenced part numbers: SKB-1965 ITEM X758 (Coffin Turbo Pump Inc), 19889 (Coffin Turbo Pump Inc).

What NSN replaces 5331-01-416-6600?

There are 5 known substitutes for 5331-01-416-6600: 1650-00-083-4052, 4820-00-883-8805, 5360-01-051-0563 and 2 more. Verify interchangeability with system specifications before substitution.

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