The O-Ring, cataloged under National Stock Number 5331-00-542-1365, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 31 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-542-1365 |
| Primary Part Number | 54A125-9 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Outside Diameter | 0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9452K17-009 | Mcmaster-Carr Supply Co (USA) |
| 54A125-9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 7377-009 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 6601000 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 845-2110227 PC 27 | Naval Ship Systems Command (USA) |
| 411161-9 | Raytheon Company Dba Raytheon (USA) |
| 4067-70-009 | Parco, Llc (USA) |
| 1376-04-142 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 25713 | Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA) |
| 4400173-0090 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MS28784-9 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 43P450 | Abb Kent-Taylor Inc (USA) |
| AS568A-009MILP2 5732 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 10361 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 1376-04-142P | Zf Industrieantriebe Witten Gmbh (DEU) |
| 7500-146 | Zf Industrieantriebe Witten Gmbh (DEU) |
| SS845-2110224PI | Naval Ship Systems Command (USA) |
| 2-009 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 230079003 | Rosomak S.a (POL) |
| Y325-9 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-00-542-1365 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-542-1365 has 50 cross-referenced part numbers: 9452K17-009 (Mcmaster-Carr Supply Co), 54A125-9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 7377-009 (Parker Hannifin Corporation Div O-Ring Division), 6601000 (Zf Industrieantriebe Witten Gmbh), 845-2110227 PC 27 (Naval Ship Systems Command) and 45 more.
There are 12 known substitutes for 5331-00-542-1365: 5930-00-025-9384, 5905-00-068-6931, 3110-00-108-9247 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 54A125-9: Outside Diameter: 0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN; End Item Identification: CLOSE IN WEAPON SYSTEM (CIWS-PHALANX); SUBMARINE SUBMARINE SURVEILLANCE SYSTEMS; ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P); FIRE PUMPS; STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); L.P. COMPRESSORS; FIRE CONTROL SYSTEM, MISSILE MK 74 (FCS); GUN MOUNT, MK 75 (GM); AIRCRAFT, SOF ( AC-130H, MC-130H, EC-130E, HC-130); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-542-1365 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.