The O-Ring, cataloged under National Stock Number 5331-01-455-7374, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-455-7374 |
| Primary Part Number | 2526677-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 1.971 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2526677-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2526677-3 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 2526677-3 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 2526677-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-455-7374 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-455-7374 has 3 manufacturer part numbers on file: 2526677-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2526677-3 (Parker Hannifin Corporation Div O-Ring Division), 2526677-3 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 2526677-3: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Hardness Rating: 80.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 1.971 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN; End Item Identification: W/S: FMS-BUILD FRIGATES CLASS SHIPS; TORPEDO SYSTEMS, MK 46; FMS-KNOX CLASS FF. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.