The O-Ring, cataloged under National Stock Number 5331-01-249-7877, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tecno Trade S.r.l.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-249-7877 |
| Primary Part Number | MS28775-216 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Tecno Trade S.r.l. |
| Status | ACTIVE |
| Elongation Percentage | 160 MAXIMUM |
| Center Hole Diameter | 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZW |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Peripheral Diameter | 1.387 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-216 | Tecno Trade S.r.l. (ITA) |
| MS28775-216 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| 5330PL0799365 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 845-2181262 PC 13 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| MS28775-216 | Boeing Defence Australia Ltd (AUS) |
| MIL-P-25732 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-216 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 218-4642021ITEM1-36 | Naval Ship Systems Command (USA) |
| MS28775-216 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-216 | Society of Automotive Engineers Inc (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| MS28775-216 | Sae International Dba Sae International (USA) |
NSN 5331-01-249-7877 is a O-Ring, manufactured by Tecno Trade S.r.l., classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-249-7877 has 12 cross-referenced part numbers: MS28775-216 (Tecno Trade S.r.l.), MS28775-216 (Boeing Defence Australia Ltd Div Defense, Space & Security), 5330PL0799365 (Jednolity Indeks Materialowy - Uniform Material Index), 845-2181262 PC 13 (Electric Boat Corporation Div General Dynamics Electric Boat), MS28775-216 (Boeing Defence Australia Ltd) and 7 more.
There are 6 known substitutes for 5331-01-249-7877: 5331-00-542-1329, 5331-00-641-0231, 5331-00-913-4697 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-216: Elongation Percentage: 160 MAXIMUM; Center Hole Diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW. 8 total characteristics are documented in the Federal Logistics Information System.