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CSM

Current Sense Power Metal Strip Resistor 2-200 mili ohms, 1 to watts

Partnumber Manufacturer Quantity Availability
CSM 1 In Stock

Description and Introduction

Current Sense Power Metal Strip Resistor 2-200 mili ohms, 1 to watts The CSM (Command/Service Module) was manufactured by North American Aviation (later North American Rockwell) for NASA's Apollo program. Here are the key specifications:

**General Specifications:**
- Length: 36.2 ft (11.03 m)
- Diameter: 12.8 ft (3.9 m)
- Mass: 63,500 lb (28,800 kg) (fully fueled)

**Command Module (CM) Specifications:**
- Crew capacity: 3 astronauts
- Habitable volume: 210 cubic ft (5.9 m³)
- Heat shield material: Avcoat (epoxy resin in a fiberglass honeycomb matrix)
- Thrusters: 12 reaction control thrusters (100 lb thrust each)

**Service Module (SM) Specifications:**
- Main engine: AJ10-137 (Service Propulsion System)
  - Thrust: 20,500 lbf (91.2 kN)
  - Fuel: Aerozine 50 (UDMH/N2O4)
- Electrical power: Three fuel cells (total 1.4 kW average, 2.2 kW peak)
- Reaction control system: 16 thrusters (100 lb thrust each)

**Environmental Systems:**
- Oxygen storage: Cryogenic supercritical tanks
- Water storage: 3 tanks (50 lb total capacity)
- Temperature control: Passive thermal coating with active cooling loops

These specifications were consistent across Apollo missions 7 through 17, with minor variations for later missions (e.g., upgraded batteries and instrumentation).

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