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NSN 5331-01-163-7776Government record, cited
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O-Ring5331-01-163-7776

NSN 5331-01-163-7776 · NIIN 011637776
FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as  5331-01-163-7776 · 5331011637776 · NIIN 011637776 · 01-163-7776 · FSC 5331 O-ring · MS9021-375 · AS3578-375 · MS9021-375 · AS3578-375
Nearby stock numbers  ·
SECTION OD 9.895 INCHES NOMINAL IN O-RING CROSS SECTION
5331-01-163-7776 — O-ring
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.188 INCHES NOMINAL IN
  • Outside Diameter: 9.895 INCHES NOMINAL IN
  • Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 200 MAXIMUM
  • Center Hole Diameter: 9.445 INCHES MINIMUM AND 9.505 INCHES MAXIMUM IN
  • Material: RUBBER
Identification
  • NSN: 5331-01-163-7776
  • NIIN: 011637776
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
General Description

The O-Ring, cataloged under National Stock Number 5331-01-163-7776, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-163-7776
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
StatusACTIVE
Cross-Sectional Height0.188 INCHES NOMINAL IN
Outside Diameter9.895 INCHES NOMINAL IN
Hardness Rating65.0 SHORE DUROMETER A NOMINAL
Elongation Percentage200 MAXIMUM
Center Hole Diameter9.445 INCHES MINIMUM AND 9.505 INCHES MAXIMUM IN
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
MS9021-375 2/2 Government specification standardization
U.S. Government activity
AS3578-375 5/1 Secondary reference
Sae International Dba Sae International
MS9021-375 5/9 Secondary reference
Parker-Hannifin Corp Div O-Ring Division
AS3578-375 5/9 Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING

Frequently Asked Questions

What is NSN 5331-01-163-7776?

NSN 5331-01-163-7776 is a O-Ring, classified under FSC 5331, O-ring. Status: active.

What are the specifications of 5331-01-163-7776?

Key specifications for 5331-01-163-7776: Cross-Sectional Height: 0.188 INCHES NOMINAL IN; Outside Diameter: 9.895 INCHES NOMINAL IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 200 MAXIMUM. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-163-7776 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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