The O-Ring, cataloged under National Stock Number 5331-01-445-1240, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Div Fluid and Electrical Distribution Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-445-1240 |
| Primary Part Number | AS568-217 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Eaton Aerospace Llc Div Fluid and Electrical Distribution Division |
| Status | ACTIVE |
| Center Hole Diameter | 1.159 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-217 PRIMARY | Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA) |
| 4-2604-25A | Safran Aerosystems Ex Safran Aerotechnics Plaisir (FRA) |
| MS33666-217 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 4-2604-25A | Safran Aerosystems Ex Safran Aerosystems Fluid (FRA) |
NSN 5331-01-445-1240 is a O-Ring, manufactured by Eaton Aerospace Llc Div Fluid and Electrical Distribution Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-445-1240 has 4 cross-referenced part numbers: AS568-217 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 4-2604-25A (Safran Aerosystems Ex Safran Aerotechnics Plaisir), MS33666-217 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4-2604-25A (Safran Aerosystems Ex Safran Aerosystems Fluid).
There are 4 known substitutes for 5331-01-445-1240: 5331-00-135-3009, 5331-00-138-0063, 5331-00-933-7072 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-217: Center Hole Diameter: 1.159 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 2 total characteristics are documented in the Federal Logistics Information System.