PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13801O-Ring

Fcd Corp Sub of Howden Defense Systems Inc · NSN 5331-00-531-4586 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-531-4586 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-531-4586. Primary manufacturer part number: 13801.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 0.989 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.087 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • 5 verified cross-references
  • Primary manufacturer: Fcd Corp Sub of Howden Defense Systems Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-531-4586, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Fcd Corp Sub of Howden Defense Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-531-4586
Primary Part Number13801
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFcd Corp Sub of Howden Defense Systems Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC
Center Hole Diameter0.989 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN
Cross-Sectional Height0.087 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-099-503313801 INTERCHANGEABLE
Bolt,special
Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd
5120-00-198-5400 INTERCHANGEABLE
Key,socket Head Screw
4940-00-242-1448 INTERCHANGEABLE
Blast Cleaning Machine
6680-00-399-277713801 INTERCHANGEABLE
Transmission Unit
Simmonds Precision Products Inc
5975-00-415-60581521-DC INTERCHANGEABLE
Nipple,electrical Conduit
Gordon Electric Supply Inc
5950-00-731-9630SM-C-502636-2 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-00-874-449813-801 INTERCHANGEABLE
Pin,shoulder,headed
Pdi Ground Support Systems, Inc.
6760-00-927-474313801 INTERCHANGEABLE
Brush Ring Assembly
Kollmorgen Corp
5930-01-186-820813801 INTERCHANGEABLE
Switch,thermostatic
American Wyott Corporation Dba Apw Wyott Food Service Equipment
5950-01-291-914113801 INTERCHANGEABLE
Coil,electrical
Magnespec Inc
Cross-Reference Index
Part NumberManufacturer
13801 Fcd Corp Sub of Howden Defense Systems Inc (USA)
13801 Howden Fluid Systems (USA)
13801PS Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
13801 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
13801PS Howden Fluid Systems (USA)
Related Parts
5306-00-099-5033INTERCHANGEABLE
BOLT,SPECIAL
13801
5120-00-198-5400INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4940-00-242-1448INTERCHANGEABLE
BLAST CLEANING MACHINE
6680-00-399-2777INTERCHANGEABLE
TRANSMISSION UNIT
13801
5975-00-415-6058INTERCHANGEABLE
NIPPLE,ELECTRICAL CONDUIT
1521-DC
5950-00-731-9630INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-502636-2
5315-00-874-4498INTERCHANGEABLE
PIN,SHOULDER,HEADED
13-801
6760-00-927-4743INTERCHANGEABLE
BRUSH RING ASSEMBLY
13801
5930-01-186-8208INTERCHANGEABLE
SWITCH,THERMOSTATIC
13801
5950-01-291-9141INTERCHANGEABLE
COIL,ELECTRICAL
13801
6515-01-343-8557INTERCHANGEABLE
GLOVES,SURGEONS'
1660-01-641-4086INTERCHANGEABLE
MASK,OXYGEN
138-01

Frequently Asked Questions

What is NSN 5331-00-531-4586?

NSN 5331-00-531-4586 is a O-Ring, manufactured by Fcd Corp Sub of Howden Defense Systems Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-531-4586?

NSN 5331-00-531-4586 has 5 cross-referenced part numbers: 13801 (Fcd Corp Sub of Howden Defense Systems Inc), 13801 (Howden Fluid Systems), 13801PS (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 13801 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 13801PS (Howden Fluid Systems).

What NSN replaces 5331-00-531-4586?

There are 12 known substitutes for 5331-00-531-4586: 5306-00-099-5033, 5120-00-198-5400, 4940-00-242-1448 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13801?

Key specifications for 13801: Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.989 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN; Cross-Sectional Height: 0.087 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN. 3 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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