The O-Ring, cataloged under National Stock Number 5331-01-016-7550, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-016-7550 |
| Primary Part Number | 4410181-9040 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Marotta Controls Inc |
| Status | CANCELLED |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Outside Diameter | 0.495 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Criticality Code Justification | FEAT |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ARP568-904MILR6 855 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 501-1819 PC. NO. 6 | Marotta Controls Inc (USA) |
| 8538PC47 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 4410181-9040 PRIMARY | Marotta Controls Inc (USA) |
| A06689.904.366 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| M83248/1-904 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 280248-01PC68 | Marotta Controls Inc (USA) |
| 280248-01ITEM68 | Marotta Controls Inc (USA) |
| MIL-R-83248/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 0001.0038.R PRIMARY | Cameron Energy Services Corp. (USA) |
| D4-224E005ITEM27 | Cameron Energy Services Corp. (USA) |
| 20213PC16 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 5331PL1810522 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 5331PL0899173 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5331-01-016-7550 is a O-Ring, manufactured by Marotta Controls Inc, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-016-7550 has 14 cross-referenced part numbers: ARP568-904MILR6 855 (Zf Industrieantriebe Witten Gmbh), 501-1819 PC. NO. 6 (Marotta Controls Inc), 8538PC47 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 4410181-9040 (Marotta Controls Inc), A06689.904.366 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 9 more.
There are 8 known substitutes for 5331-01-016-7550: 5331-00-020-0203, 5331-00-103-1986, 5331-00-166-0980 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4410181-9040: Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Outside Diameter: 0.495 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Special Features: DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-016-7550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.