The O-Ring, cataloged under National Stock Number 5331-01-123-5648, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-123-5648 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Elongation Percentage | 160 MAXIMUM |
| Departure From Cited Document | CLEANED IAW MIL-C-52211 |
| Peripheral Diameter | 1.380 INCHES NOMINAL IN |
| Center Hole Diameter | 1.168 INCHES MINIMUM AND 1.180 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 |
| Reference | Meaning |
|---|---|
| V3D10076ITEM13CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MS28775-123 | 4/1 Identification reference U.S. Government activity |
| 5330PL0890726 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| A180-123MILP25732 | 5/1 Secondary reference U.S. Government activity |
| V3D10076ITEM13 | 5/1 Secondary reference U.S. Government activity |
| MS28775-123CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| A180-123MILP2573CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SAE-AS28775 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-01-123-5648 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5331-01-424-8486. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-01-123-5648: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Elongation Percentage: 160 MAXIMUM; Departure From Cited Document: CLEANED IAW MIL-C-52211. 7 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.