The O-Ring, cataloged under National Stock Number 5331-01-131-2279, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-131-2279 |
| Primary Part Number | MS29513-465 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Outside Diameter | 18.408 INCHES MINIMUM AND 18.602 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 17.910 INCHES MINIMUM AND 18.000 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS29513-465 | Boeing Defence Australia Ltd (AUS) |
| MS29513-465 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| MS29513-465 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 2-465N602-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-465 N602-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| MS29513-465 | 5/9 Secondary reference U.S. Government activity |
| MS29513-465 | 5/9 Secondary reference U.S. Government activity |
| AS568-465 MIL-P-5315 | 5/9 Secondary reference U.S. Government activity |
| AS568-465 MIL-P-5315 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS29513 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-01-131-2279 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-131-2279 has 3 manufacturer part numbers on file: MS29513-465 (Boeing Defence Australia Ltd), MS29513-465 (Boeing Defence Australia Ltd Div Defense, Space & Security), MS29513-465 (Sae International Dba Sae International).
Key specifications for MS29513-465: Temp Rating: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Outside Diameter: 18.408 INCHES MINIMUM AND 18.602 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM. 6 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.
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.