The O-Ring, cataloged under National Stock Number 5331-01-386-1991, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-386-1991 |
| Primary Part Number | 10-247918-132 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material Document and Classification | AMS3325 ASSN STD 1ST MATERIAL RESPONSE AND AMS3326 ASSN STD 2ND MATERIAL RESPONSE |
| Color | BLUE |
| Center Hole Diameter | 1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 10-247918-132 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 39-711-132 | 5/9 Secondary reference Amphenol-Tuchel Electronics Gmbh |
NSN 5331-01-386-1991 is a O-Ring, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-386-1991 has 1 manufacturer part number on file: 10-247918-132 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 10-247918-132: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material Document and Classification: AMS3325 ASSN STD 1ST MATERIAL RESPONSE AND AMS3326 ASSN STD 2ND MATERIAL RESPONSE; Color: BLUE; Center Hole Diameter: 1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN. 5 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.