The O-Ring, cataloged under National Stock Number 5331-01-004-7231, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-004-7231 |
| Primary Part Number | AS568-129MILP5516-70DURM |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 1.755 INCHES NOMINAL IN |
| Center Hole Diameter | 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Material Document and Classification | MIL-P-5516, CL B MIL SPEC SINGLE MATERIAL RESPONSE |
| Elongation Percentage | 160 MAXIMUM |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Criticality Code Justification | ZZZY |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-129MILP5516-70DURM | Sae International Dba Sae International (USA) |
| V3D10075PC29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| MS28775-129 | Sae International Dba Sae International (USA) |
| 5331PL0892865 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| A180-129CP | Naval Inventory Control Point Mechanicsburg (USA) |
| V3D10108 ITEM 29 | Vacco Industries (USA) |
| V3D10077 ITEM 13CP | Naval Inventory Control Point Mechanicsburg (USA) |
| MS28775-129 | United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc) (USA) |
| AS568-129MILP5516-70DURM | Society of Automotive Engineers Inc (USA) |
| MS28775-129 | Society of Automotive Engineers Inc (USA) |
| A180-129 | Vacco Industries (USA) |
| V3D10108 ITEM 29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| MS28775-129CP | Naval Inventory Control Point Mechanicsburg (USA) |
| AS568-129MILP5516-70DURMCP | Naval Inventory Control Point Mechanicsburg (USA) |
| V3D10077 ITEM 13 | Vacco Industries (USA) |
| V3D10075PC29 | Vacco Industries (USA) |
NSN 5331-01-004-7231 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-004-7231 has 16 cross-referenced part numbers: AS568-129MILP5516-70DURM (Sae International Dba Sae International), V3D10075PC29CP (Naval Inventory Control Point Mechanicsburg), MS28775-129 (Sae International Dba Sae International), 5331PL0892865 (Jednolity Indeks Materialowy - Uniform Material Index), A180-129CP (Naval Inventory Control Point Mechanicsburg) and 11 more.
There are 2 known substitutes for 5331-01-004-7231: 5920-00-435-1936, 5331-00-580-4394. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-129MILP5516-70DURM: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 1.755 INCHES NOMINAL IN; Center Hole Diameter: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 10 total characteristics are documented in the Federal Logistics Information System.