The O-Ring, cataloged under National Stock Number 5331-00-251-9371, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-251-9371 |
| Primary Part Number | MS29513-339 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Outside Diameter | 3.611 INCHES MINIMUM AND 3.679 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.210 INCHES MINIMUM AND 3.240 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 |
|---|---|
| 7866-339 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| MS29513-339 PRIMARY | Sae International Dba Sae International (USA) |
| C-69-339 | Federal-Mogul Corp Government Sales Dept (USA) |
| 10V60-141-339 | Houghton International Inc. (USA) |
| 457-60-339 | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| SR-822A-60-339 | 5/2 Secondary reference U.S. Government activity |
| 1-223128 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| SAE-AS29513 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS29513-339 | 3/9 Design control — primary reference U.S. Government activity |
| MS29513-339 | 5/9 Secondary reference U.S. Government activity |
| 1793-339 | 5/2 Secondary reference U.S. Government activity |
| 2-339 N602-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 5331PL0804169 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS29513-339ES | 5/9 Secondary reference Eriks B.v. |
| 2-339 N602-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 2-339 N602-70 | 5/9 Secondary reference Dolly Mfg Corp |
| 725-70-339 | 5/2 Secondary reference U.S. Government activity |
| RT253-65-339 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| 10163235 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-00-251-9371 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-251-9371 has 5 manufacturer part numbers on file: 7866-339 (Parker Hannifin Corporation Div O-Ring Division), MS29513-339 (Sae International Dba Sae International), C-69-339 (Federal-Mogul Corp Government Sales Dept), 10V60-141-339 (Houghton International Inc.), 457-60-339 (Parco, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-190-0291. Verify interchangeability with system specifications before substitution.
Key specifications for MS29513-339: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Outside Diameter: 3.611 INCHES MINIMUM AND 3.679 INCHES MAXIMUM IN; Center Hole Diameter: 3.210 INCHES MINIMUM AND 3.240 INCHES MAXIMUM IN; End Item Identification: ARMORED MULTI-PURPOSE VEHICLE (AMPV). 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.