The O-Ring, cataloged under National Stock Number 5331-01-077-5842, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-077-5842 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 0.241 INCHES NOMINAL IN |
| Hardness Rating | 30.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | MIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.101 INCHES NOMINAL IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| MIL-R-83248/2-0 05CP | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 4400181-0050CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4400181-0050 | 5/1 Secondary reference U.S. Government activity |
| AS568-005MILR6855CL2 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS568-005MILR6855CL2CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ARP568-005MILR6855CL2 | 5/1 Secondary reference Sae International Dba Sae International |
| ARP568-005MILR6855CL2 | 5/9 Secondary reference U.S. Government activity |
| AS568-005MILR6855CL2 | 3/9 Design control — primary reference U.S. Government activity |
| 226624 ITEM 61 J200X5CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 226624 ITEM 61 J200X5 | 5/1 Secondary reference U.S. Government activity |
NSN 5331-01-077-5842 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-077-5842: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 0.241 INCHES NOMINAL IN; Hardness Rating: 30.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Criticality Code Justification: ZZZY. 9 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.