PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11391O-Ring

Adk Pressure Equipment Corporation · NSN 5331-01-144-8817 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-144-8817 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-144-8817. Primary manufacturer part number: 11391.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Adk Pressure Equipment Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-144-8817, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Adk Pressure Equipment Corporation. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersAdk Pressure Equipment Corporation (CAGE 60629); Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (CAGE 59431)
Technical Specifications
ParameterValue
NSN5331-01-144-8817
Primary Part Number11391
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAdk Pressure Equipment Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6105-00-066-2266 INTERCHANGEABLE
End Bell,rear
5340-00-097-5759 INTERCHANGEABLE
Spring
5133-00-189-9290 INTERCHANGEABLE
Drill,twist
5307-00-274-1416X4106 INTERCHANGEABLE
Stud,plain
Renk America Llc Div Renk America
5330-00-363-0349123157-110 INTERCHANGEABLE
Packing,preformed
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5360-00-446-33774987 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
6640-00-492-5659 INTERCHANGEABLE
Glass Wool,filtering
5998-00-629-863911391 INTERCHANGEABLE
Circuit Card Assembly
Giga-Tronics Incorporated Dba Giga-Tronics
5950-00-647-9261 INTERCHANGEABLE
Coil,radio Frequency
5306-00-785-08454887 INTERCHANGEABLE
Bolt,ribbed Shoulder
Naval Inventory Control Point Mechanicsburg
Cross-Reference Index
Part NumberManufacturer
4887 Adk Pressure Equipment Corporation (USA)
11391 PRIMARY Adk Pressure Equipment Corporation (USA)
4887 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
Related Parts
6105-00-066-2266INTERCHANGEABLE
END BELL,REAR
5340-00-097-5759INTERCHANGEABLE
SPRING
5133-00-189-9290INTERCHANGEABLE
DRILL,TWIST
5307-00-274-1416INTERCHANGEABLE
STUD,PLAIN
X4106
5330-00-363-0349INTERCHANGEABLE
PACKING,PREFORMED
123157-110
5360-00-446-3377INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4987
6640-00-492-5659INTERCHANGEABLE
GLASS WOOL,FILTERING
5998-00-629-8639INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
11391
5950-00-647-9261INTERCHANGEABLE
COIL,RADIO FREQUENCY
5306-00-785-0845INTERCHANGEABLE
BOLT,RIBBED SHOULDER
4887
5315-00-829-8347INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
11391
5910-00-842-4736INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
10051945

Frequently Asked Questions

What is NSN 5331-01-144-8817?

NSN 5331-01-144-8817 is a O-Ring, manufactured by Adk Pressure Equipment Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-144-8817?

NSN 5331-01-144-8817 has 3 cross-referenced part numbers: 4887 (Adk Pressure Equipment Corporation), 11391 (Adk Pressure Equipment Corporation), 4887 (Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc).

What NSN replaces 5331-01-144-8817?

There are 12 known substitutes for 5331-01-144-8817: 6105-00-066-2266, 5340-00-097-5759, 5133-00-189-9290 and 9 more. Verify interchangeability with system specifications before substitution.

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