The O-Ring, cataloged under National Stock Number 5331-00-297-5337, 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 4 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-297-5337 |
| Primary Part Number | MS29513-427 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Outside Diameter | 5.230 INCHES MINIMUM AND 5.320 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.710 INCHES MINIMUM AND 4.740 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 |
|---|---|
| 7866-427 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 10V60-141-427 | Houghton International Inc. (USA) |
| RT253-65-427 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| 60-P-31-427 | West American Rubber Co Extrude Products Div (USA) |
| C-69-427 | Federal-Mogul Corp Government Sales Dept (USA) |
| PRP568-427-457-60 | Parco, Llc (USA) |
| 457-60-427 | Parco, Llc (USA) |
| PX1775-427 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| MS29513-427 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 5330002975337 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| SR-822A-60-427 | 5/2 Secondary reference U.S. Government activity |
| 5330002975337 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2-427 N602-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 1793-427 | 5/2 Secondary reference U.S. Government activity |
| MS29513-427 | 3/9 Design control — primary reference U.S. Government activity |
| MS29513-427 | 5/9 Secondary reference U.S. Government activity |
| 2-427 N602-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-427 N602-70 | 5/9 Secondary reference Dolly Mfg Corp |
| SAE-AS29513 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-00-297-5337 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-297-5337 has 9 manufacturer part numbers on file: 7866-427 (Parker Hannifin Corporation Div O-Ring Division), 10V60-141-427 (Houghton International Inc.), RT253-65-427 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 60-P-31-427 (West American Rubber Co Extrude Products Div), C-69-427 (Federal-Mogul Corp Government Sales Dept) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-730-9644. Verify interchangeability with system specifications before substitution.
Key specifications for MS29513-427: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Outside Diameter: 5.230 INCHES MINIMUM AND 5.320 INCHES MAXIMUM IN; Center Hole Diameter: 4.710 INCHES MINIMUM AND 4.740 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 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.