The O-Ring, cataloged under National Stock Number 5331-00-579-7918, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 46 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-579-7918 |
| Primary Part Number | 230079119 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | CANCELLED |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 230079119 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 32113-124 | Safran Landing Systems Ex Messier Dowty (FRA) |
| MS28775-229 | Psa Peugeot-Citroen Espana, Sa (ESP) |
| MS28775-229 | Goriziane Group Spa (ITA) |
| Reference | Meaning |
|---|---|
| MS28775-229ES | 5/9 Secondary reference Eriks B.v. |
| ARP568-229MILP5 516B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 005-0080-51A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 671-00029 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS28775-229 | 5/1 Secondary reference Sae International Dba Sae International |
| 5330005797918 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 76NG229 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| PRP568-229 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 513CD229 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AN6230-B7 | 2/2 Government specification standardization U.S. Government activity |
| 2-229 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| ARP568-229MILP5 516-70 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| P48026-229 | 5/1 Secondary reference Acushnet Rubber Company, Inc. Dba Precix |
| MS28775-229 | 5/9 Secondary reference Seals & Packings, Llc |
| AN6230-7 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-229M1LP5516CL B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| ARP568-229MILP5 516-70DURM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| SS-S4824-935003 | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 6230-7 | 5/9 Secondary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
| 4067-70-229 | 5/1 Secondary reference Parco, Llc |
NSN 5331-00-579-7918 is a O-Ring, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-00-579-7918 has 4 manufacturer part numbers on file: 230079119 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 32113-124 (Safran Landing Systems Ex Messier Dowty), MS28775-229 (Psa Peugeot-Citroen Espana, Sa), MS28775-229 (Goriziane Group Spa).
Key specifications for 230079119: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN; Center Hole Diameter: 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5331-00-579-7918 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.