The O-Ring, cataloged under National Stock Number 5331-00-804-5695, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Aertekno S.r.l.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 39 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 | 5331-00-804-5695 |
| Primary Part Number | MS28778-6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Aertekno S.r.l. |
| Status | CANCELLED |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Outside Diameter | 0.613 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28778-6 | Aertekno S.r.l. (ITA) |
| 3297-6LW90 | Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA) |
| MS28778-6 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| GHN10093-12 | Lockheed Martin Corp (USA) |
| MS28778-6 | Society of Automotive Engineers Inc (USA) |
| K.M109.5331-00-804-5695 | CAGE A3JLJ |
| 3010389 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| AN6290-6 | Zf Industrieantriebe Witten Gmbh (DEU) |
| SAE-AS28778 | Sae International Dba Sae International (USA) |
| 30108 | Arvinmeritor Inc (USA) |
| 16-311 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 3-906 N0507-90 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 364-0537-474 | Carver Pump Company (USA) |
| 7528943 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 5331008045695 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 364-0537-474 | Aurora Pump a Unit of General Signal Corp (USA) |
| 11,89X1,98-20B9 | Stacem (FRA) |
| 2251-6 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| 11A2/135532/5 | Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems (GBR) |
| ARP568-906MILP5 516CLB | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-00-804-5695 is a O-Ring, manufactured by Aertekno S.r.l., classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-804-5695 has 50 cross-referenced part numbers: MS28778-6 (Aertekno S.r.l.), 3297-6LW90 (Strohmeyer, Julie a. Dba Julie a. Strohmeyer), MS28778-6 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), GHN10093-12 (Lockheed Martin Corp), MS28778-6 (Society of Automotive Engineers Inc) and 45 more.
There are 12 known substitutes for 5331-00-804-5695: 4510-00-001-7828, 5331-00-021-2891, 5310-00-058-0513 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28778-6: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; End Item Identification: RG-31 MRAP; ARMORED MULTI-PURPOSE VEHICLE (AMPV); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-804-5695 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.