PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS9388-016O-Ring

Dowty (div De John Crane France Sa) · NSN 5331-00-882-9176 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-882-9176 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-882-9176. Primary manufacturer part number: MS9388-016.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
  • Outside Diameter: 0.754 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 125 MAXIMUM
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-882-9176, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dowty (div De John Crane France Sa). Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-882-9176
Primary Part NumberMS9388-016
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDowty (div De John Crane France Sa)
StatusCANCELLED
Center Hole Diameter0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
Outside Diameter0.754 INCHES NOMINAL IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MaterialRUBBER FLUOROCARBON CLASS FPM
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Elongation Percentage125 MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-00-166-0992M83248/1-016 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-425-9243AS3209-016 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-464-0659AS3085-016 INTERCHANGEABLE
Packing,preformed,a
Rolls Royce Corp
5331-01-464-8583363234 INTERCHANGEABLE
O-Ring
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
MS9388-016 Dowty (div De John Crane France Sa) (FRA)
MS9388-016 Trelleborg Sealing Solutions France (FRA)
5331PL2053548 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS9388-016 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
363234 Royal Oak Gage, Inc (USA)
AS3209-016 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
5331PL0845022 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5331-00-166-0992INTERCHANGEABLE
O-RING
M83248/1-016
5331-00-425-9243INTERCHANGEABLE
O-RING
AS3209-016
5331-01-464-0659INTERCHANGEABLE
PACKING,PREFORMED,A
AS3085-016
5331-01-464-8583INTERCHANGEABLE
O-RING
363234

Frequently Asked Questions

What is NSN 5331-00-882-9176?

NSN 5331-00-882-9176 is a O-Ring, manufactured by Dowty (div De John Crane France Sa), classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-882-9176?

NSN 5331-00-882-9176 has 7 cross-referenced part numbers: MS9388-016 (Dowty (div De John Crane France Sa)), MS9388-016 (Trelleborg Sealing Solutions France), 5331PL2053548 (Jednolity Indeks Materialowy - Uniform Material Index), MS9388-016 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 363234 (Royal Oak Gage, Inc) and 2 more.

What NSN replaces 5331-00-882-9176?

There are 4 known substitutes for 5331-00-882-9176: 5331-00-166-0992, 5331-00-425-9243, 5331-01-464-0659 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9388-016?

Key specifications for MS9388-016: Center Hole Diameter: 0.609 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN; Outside Diameter: 0.754 INCHES NOMINAL IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-882-9176 still in active supply?

NSN 5331-00-882-9176 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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