NSN 5331-01-072-2905 · NIIN 010722905 · Part number 17779
Marco Seattle Inc Dba Marco · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 09608
Government record, cited
NSN 5331-01-072-2905 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-072-2905. Manufacturer of record part number: 17779.
Manufacturer of record: Marco Seattle Inc Dba Marco
Identification
NSN: 5331-01-072-2905
NIIN: 010722905
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 17779
Manufacturer: Marco Seattle Inc Dba Marco
General Description
The O-Ring, cataloged under National Stock Number 5331-01-072-2905, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Marco Seattle Inc Dba Marco. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-01-072-2905
Primary Part Number
17779
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Marco Seattle Inc Dba Marco
Status
ACTIVE
Cross-Sectional Height
0.275 INCHES NOMINAL IN
Material
RUBBER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 5331-01-072-2905 is a O-Ring, manufactured by Marco Seattle Inc Dba Marco, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-072-2905?
NSN 5331-01-072-2905 has 1 manufacturer part number on file: 17779 (Marco Seattle Inc Dba Marco).
What NSN replaces 5331-01-072-2905?
10 possible matches (shared part number, not a government interchangeability claim): 2590-01-151-2027, 6625-01-178-9491, 6750-01-193-8758. Verify interchangeability with system specifications before substitution.
What are the specifications of 17779?
Key specifications for 17779: Cross-Sectional Height: 0.275 INCHES NOMINAL IN; Material: RUBBER. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-072-2905 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.