The O-Ring, cataloged under National Stock Number 5331-01-106-0938, 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 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-106-0938 |
| Primary Part Number | AS568-253AMS7279 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 5.594 INCHES MINIMUM AND 5.680 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 5.324 INCHES MINIMUM AND 5.394 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| AS568-253AMS7279 | Sae International Dba Sae International (USA) |
| PRP253-19359 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| PRP568-253-9009-90 | Parco, Llc (USA) |
| 253-19359 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| AS568-253 MIL-R-83248 CLASS 2 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS568-253AMS7279 | 5/9 Secondary reference U.S. Government activity |
| AS568-253 MIL-R-83248 CLASS 2 | 5/9 Secondary reference U.S. Government activity |
| M83248/2-253 | 2/2 Government specification standardization U.S. Government activity |
| V0709 2-253 | 5/1 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| NAS1594-253 | 5/9 Secondary reference U.S. Government activity |
| A-253SR280-90 | 5/2 Secondary reference U.S. Government activity |
| 5331PL0937950 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MIL-R-83248/2 | 4/1 Identification reference U.S. Government activity |
NSN 5331-01-106-0938 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-106-0938 has 5 manufacturer part numbers on file: AS568-253AMS7279 (Sae International Dba Sae International), PRP253-19359 (Parker Hannifin Corporation Div O-Ring Division), PRP568-253-9009-90 (Parco, Llc), 253-19359 (Parker Hannifin Corporation Div O-Ring Division), AS568-253 MIL-R-83248 CLASS 2 (Sae International Dba Sae International).
Key specifications for AS568-253AMS7279: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 5.594 INCHES MINIMUM AND 5.680 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 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.