The O-Ring, cataloged under National Stock Number 5331-00-807-9638, 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. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Sae International Dba Sae International (CAGE 0U583); Satair A/s (CAGE R1120); Leonardo Spa Helicopters Division - Production Site (CAGE A0126); Parker Hannifin Corp Dba Pneutronics (CAGE 26433); Leonardo S.p.a. Div Electronics (CAGE A0810) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-807-9638 |
| Primary Part Number | MS29561-023 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| 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 |
|---|---|
| MS29561-023 PRIMARY | Sae International Dba Sae International (USA) |
| 102A10001-10 | Satair A/s (DNK) |
| MS29561-023 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 102A10001-10 | Parker Hannifin Corp Dba Pneutronics (USA) |
| 58901A008023 | Leonardo S.p.a. Div Electronics (ITA) |
| Reference | Meaning |
|---|---|
| MS29561-023 | 5/9 Secondary reference U.S. Government activity |
| ABS-R-7362 | 5/9 Secondary reference U.S. Government activity |
| ABS-R-7362 | 5/9 Secondary reference Sae International Dba Sae International |
| MS29561-023 | 5/9 Secondary reference U.S. Government activity |
| 58901A008023 | 5/9 Secondary reference Galileo Avionica Spa |
| 5331PL0143898 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2-023 47-071 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| SAE-AS29561 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-00-807-9638 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-807-9638 has 5 manufacturer part numbers on file: MS29561-023 (Sae International Dba Sae International), 102A10001-10 (Satair A/s), MS29561-023 (Leonardo Spa Helicopters Division - Production Site), 102A10001-10 (Parker Hannifin Corp Dba Pneutronics), 58901A008023 (Leonardo S.p.a. Div Electronics).
1 possible match (shared part number, not a government interchangeability claim): 5331-00-954-1286. Verify interchangeability with system specifications before substitution.
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.