The O-Ring, cataloged under National Stock Number 5331-00-865-4452, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-865-4452 |
| Primary Part Number | MS9388-225 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Center Hole Diameter | 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS9388-225 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 385978 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5331-00-865-4452 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-865-4452 has 2 cross-referenced part numbers: MS9388-225 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 385978 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 5331-00-865-4452: 5331-00-165-1944. Verify interchangeability with system specifications before substitution.
Key specifications for MS9388-225: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-865-4452 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.