NSN 5331-00-180-9722 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-180-9722. Manufacturer of record part number: 99-4771.
Also searched as5331-00-180-9722 ·
5331001809722 ·
NIIN 001809722 ·
00-180-9722 ·
FSC 5331 O-ring · CAGE 73030 · 99-4771
Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter: 0.759 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
2 manufacturer part numbers on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
NSN: 5331-00-180-9722
NIIN: 001809722
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 99-4771
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The O-Ring, cataloged under National Stock Number 5331-00-180-9722, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-00-180-9722
Primary Part Number
99-4771
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Reference documents
Reference
Meaning
99-4771
5/9Secondary 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 5331-00-180-9722?
NSN 5331-00-180-9722 is a O-Ring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-180-9722?
NSN 5331-00-180-9722 has 2 manufacturer part numbers on file: 99-4771 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 99-4771 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
What are the specifications of 99-4771?
Key specifications for 99-4771: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.759 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-180-9722 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.