The O-Ring, cataloged under National Stock Number 5331-01-288-1073, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Minnesota Rubber Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-288-1073 |
| Primary Part Number | Q4347-366Y |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Minnesota Rubber Co |
| Status | ACTIVE |
| Temp Rating | 23.0 CELSIUS AND 100.0 CELSIUS DEGC |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | 81346-ASTM D-2000 -2BG710 B14 EA14 EF11 EF21 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE |
| Material | RUBBER |
| 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 |
|---|---|
| Q4347-366Y | Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (USA) |
| Q4347-366Y PRIMARY | Minnesota Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| 202-0111 | 5/9 Secondary reference Danfoss Inc |
NSN 5331-01-288-1073 is a O-Ring, manufactured by Minnesota Rubber Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-288-1073 has 2 manufacturer part numbers on file: Q4347-366Y (Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.), Q4347-366Y (Minnesota Rubber Co).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-369-1820. Verify interchangeability with system specifications before substitution.
Key specifications for Q4347-366Y: Temp Rating: 23.0 CELSIUS AND 100.0 CELSIUS DEGC; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: 81346-ASTM D-2000 -2BG710 B14 EA14 EF11 EF21 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE; Special Features: HARDNESS (ASTM D 2240) SHORE A: 70; TENSILE STRENGTH (ASTM D 412) MPA (PSI):17.7 (2568);ELONGATION (ASTM D 412): 358%;MODULUS AT 100% ELONGATION (ASTM D 412) MPA (PSI): 4.7 (680);SPECIFIC GRAVITY (ASTM D297): 1.26. 4 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.