The O-Ring, cataloged under National Stock Number 5331-00-690-9594, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-690-9594 |
| Primary Part Number | MS29561-210 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 1.012 INCHES NOMINAL IN |
| Elongation Percentage | 250 MAXIMUM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS29561-210 | Aviation Spares and Repairs Ltd (GBR) |
| MS29561-210 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 5331PL0144052 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS29561-210 PRIMARY | Sae International Dba Sae International (USA) |
| 10495982 | Nimikkeistokeskus Ncb Finland (FIN) |
| 6227-15 | Federal-Mogul Corp Chassis Products Div (USA) |
| SAE-AS29561 | Sae International Dba Sae International (USA) |
| MS29561-210 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 61245-2-210 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| MS29561-210 | Society of Automotive Engineers Inc (USA) |
| MS29561-210 | Tecno Trade S.r.l. (ITA) |
| 61245-2-210 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
NSN 5331-00-690-9594 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-690-9594 has 12 cross-referenced part numbers: MS29561-210 (Aviation Spares and Repairs Ltd), MS29561-210 (Leonardo Spa Helicopters Division - Production Site), 5331PL0144052 (Jednolity Indeks Materialowy - Uniform Material Index), MS29561-210 (Sae International Dba Sae International), 10495982 (Nimikkeistokeskus Ncb Finland) and 7 more.
There are 4 known substitutes for 5331-00-690-9594: 5331-00-406-0883, 5330-01-008-6544, 5330-01-162-2540 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29561-210: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 1.012 INCHES NOMINAL IN; Elongation Percentage: 250 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-690-9594 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.