PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11319O-Ring

Williams International Co., L.l.c. · NSN 5331-01-013-3020 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-013-3020 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-013-3020. Primary manufacturer part number: 11319.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.172 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 1 verified cross-reference
  • Primary manufacturer: Williams International Co., L.l.c.
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 5331-01-013-3020, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-013-3020
Primary Part Number11319
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Cross-Sectional Height0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Center Hole Diameter0.172 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3040-00-388-094411319 INTERCHANGEABLE
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4820-00-409-192911-99 INTERCHANGEABLE
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5950-00-660-76979187533 INTERCHANGEABLE
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Us Army Aviation and Missile Command
5930-00-986-3791 INTERCHANGEABLE
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3120-00-992-0585AA1339-2 INTERCHANGEABLE
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4030-01-170-381311319 INTERCHANGEABLE
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2920-01-386-18530140499S29 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
11319 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
3040-00-388-0944INTERCHANGEABLE
SHAFT,STEAM TURBINE
11319
4820-00-409-1929INTERCHANGEABLE
VALVE ASSEMBLY
11-99
5360-00-535-8852INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-660-7697INTERCHANGEABLE
TRANSFORMER,POWER
9187533
5930-00-986-3791INTERCHANGEABLE
SWITCH,ROTARY
3120-00-992-0585INTERCHANGEABLE
BEARING,SLEEVE
AA1339-2
4030-01-170-3813INTERCHANGEABLE
WEDGE,WIRE ROPE SOCKET
11319
2920-01-386-1853INTERCHANGEABLE
STATOR,ENGINE GENERATOR
0140499S29
5120-01-430-7661INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5965-01-449-1101INTERCHANGEABLE
CUSHION,EAR
A3206562
4820-01-597-2155INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
11319

Frequently Asked Questions

What is NSN 5331-01-013-3020?

NSN 5331-01-013-3020 is a O-Ring, manufactured by Williams International Co., L.l.c., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-013-3020?

NSN 5331-01-013-3020 has 1 cross-referenced part number: 11319 (Williams International Co., L.l.c.).

What NSN replaces 5331-01-013-3020?

There are 11 known substitutes for 5331-01-013-3020: 3040-00-388-0944, 4820-00-409-1929, 5360-00-535-8852 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11319?

Key specifications for 11319: Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Center Hole Diameter: 0.172 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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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