The O-Ring, cataloged under National Stock Number 5331-01-285-8033, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-285-8033 |
| Primary Part Number | MS29561-111 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER SYNTHETIC |
| Center Hole Diameter | 0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN |
| Peripheral Diameter | 0.630 INCHES NOMINAL IN |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Criticality Code Justification | ZZZW |
| Elongation Percentage | 250 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS29561-111 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CS001467AITEM15 | Itt Fluid Technology Corp Itt Engineered Valves Div (USA) |
| MS29561-111 | Sae International Dba Sae International (USA) |
| MS29561-111 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-285-8033 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-285-8033 has 4 cross-referenced part numbers: MS29561-111 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS001467AITEM15 (Itt Fluid Technology Corp Itt Engineered Valves Div), MS29561-111 (Sae International Dba Sae International), MS29561-111 (Society of Automotive Engineers Inc).
There is 1 known substitute for 5331-01-285-8033: 5331-00-684-7784. Verify interchangeability with system specifications before substitution.
Key specifications for MS29561-111: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.