The O-Ring, cataloged under National Stock Number 5331-01-050-1538, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-050-1538 |
| Primary Part Number | 803-4384536-1XX49 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Sea Systems Command |
| Status | CANCELLED |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 0.816 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.667 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-017MILP83461 | Society of Automotive Engineers Inc (USA) |
| AS83461/1 | Sae International Dba Sae International (USA) |
| 803-4384536-1XX49 PRIMARY | Naval Sea Systems Command (USA) |
| AS83461/1 | Society of Automotive Engineers Inc (USA) |
| 10163367 | Nimikkeistokeskus Ncb Finland (FIN) |
| 803-4384536-11B 1-49 | Zf Industrieantriebe Witten Gmbh (DEU) |
| M83461/1-017 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M83461/1-017 PRIMARY | Sae International Dba Sae International (USA) |
| SAE-AS83461/1 | Sae International Dba Sae International (USA) |
| 5331PL0973167 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| M83461/1-017 | Society of Automotive Engineers Inc (USA) |
| MIL-P-83461/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AMS-P-83461/1 | Society of Automotive Engineers Inc (USA) |
| M83461/1-017 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| B15972 ITEM 04 | Carleton Technologies Inc Div Tampa Facility (USA) |
| 803-4384536-1XXX-49 | Naval Sea Systems Command (USA) |
| 2-017 N304-75 | Zf Industrieantriebe Witten Gmbh (DEU) |
| ARP568-017MILP8 3461 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-01-050-1538 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-050-1538 has 18 cross-referenced part numbers: AS568-017MILP83461 (Society of Automotive Engineers Inc), AS83461/1 (Sae International Dba Sae International), 803-4384536-1XX49 (Naval Sea Systems Command), AS83461/1 (Society of Automotive Engineers Inc), 10163367 (Nimikkeistokeskus Ncb Finland) and 13 more.
There are 7 known substitutes for 5331-01-050-1538: 5331-00-618-1920, 5330-01-163-8263, 5331-01-183-0991 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 803-4384536-1XX49: Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.816 INCHES NOMINAL IN; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-050-1538 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.