# Emerson Fisher 1R290401012
>
> Type: Packing Set, 3/4″ × 1‑3/8″, ENVIRO‑SEAL live‑loaded packing assembly for Fisher ET / EZ / ED Easy‑E control valve
> This is a complete pre‑assembled packing kit (contains all the individual packing parts you just queried)
## Weight
**0.12 kg (120 g / 0.26 lb)**
## English Specification
1. **Function**
Complete live‑loaded ENVIRO‑SEAL packing set for fugitive emission stem sealing, pre‑stacked packing assembly, ready for direct installation into packing box. Maintains constant compression to compensate packing wear and thermal expansion.
2. **Stem Size**
3/4 inch (19.1 mm) stem; packing box bore 1‑3/8 in
3. **Kit Contents**
– PTFE V‑ring packing ring
– Lower packing follower
– Upper packing box ring
– Belleville live load spring
– Felt wiper ring (dust wiper)
>
> Exactly the 5 separate spare parts you have collected:
> 1F125036042 + 1E944735072 + 1J873335072 + 1F125637012 + 1J872806332
4. **Material**
Sealing ring: Virgin PTFE; metal components: 316SS; wiper: oil‑impregnated felt; spring: 17‑7PH
5. **Temperature Rating**
-50 ℃ ~ +260 ℃ (-58 ℉ ~ +500 ℉) (limited by PTFE V-ring)
6. **Applicable Valve**
Fisher ET, EZ, ED Easy‑E sliding stem control valve
7. **Compliance**
ISO 15848‑1 fugitive emission, low‑emission packing
8. **Note**
1R290401012 = full packing set; you can order either this kit OR the individual pieces separately.