The O-Ring, cataloged under National Stock Number 5331-01-484-7055, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Ltd. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-484-7055 |
| Primary Part Number | HTE7300N31-026 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Aerospace Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.228 INCHES MINIMUM AND 1.250 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 |
| Part Number | Manufacturer |
|---|---|
| HTE7300N31-026 | Eaton Aerospace Ltd (GBR) |
| Reference | Meaning |
|---|---|
| AMS7270-026 | 3/2 Design control — primary reference U.S. Government activity |
| HTE7300N31-026 | 5/9 Secondary reference Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd |
NSN 5331-01-484-7055 is a O-Ring, manufactured by Eaton Aerospace Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-484-7055 has 1 manufacturer part number on file: HTE7300N31-026 (Eaton Aerospace Ltd).
Key specifications for HTE7300N31-026: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Special Features: 0.0158 VOL IN CUBIC INCHES; Center Hole Diameter: 1.228 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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.